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Page 1
31/S/3 1 P.T.O.
narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.
Set-3
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
ZmoQ>
NOTE
(I)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV
n¥ð> 27 h¢ &
(I) Please check that this question paper
contains 27 printed pages.
(II)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|
>39 àíZ h¢ &
(II) Please check that this question paper
contains 39 questions.
(III)
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE
àíZ-nÌ H$moS >H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥ð> na {bI| &
(III) Q.P. Code given on the right hand side of
the question paper should be written on
the title page of the answer-book by the
candidate.
(IV)
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
(IV) Please write down the serial number of
the question in the answer-book before
attempting it.
(V)
Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ
>H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm &
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
(V) 15 minute time has been allotted to read
this question paper. The question paper
will be distributed at 10.15 a.m. From
10.15 a.m. to 10.30 a.m., the students will
read the question paper only and will not
write any answer on the answer-book
during this period.
Series #CDBA/S
3 1 / S / 3
Page 2
31/S/3 1 P.T.O.
narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.
Set-3
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
ZmoQ>
NOTE
(I)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV
n¥ð> 27 h¢ &
(I) Please check that this question paper
contains 27 printed pages.
(II)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|
>39 àíZ h¢ &
(II) Please check that this question paper
contains 39 questions.
(III)
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE
àíZ-nÌ H$moS >H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥ð> na {bI| &
(III) Q.P. Code given on the right hand side of
the question paper should be written on
the title page of the answer-book by the
candidate.
(IV)
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
(IV) Please write down the serial number of
the question in the answer-book before
attempting it.
(V)
Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ
>H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm &
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
(V) 15 minute time has been allotted to read
this question paper. The question paper
will be distributed at 10.15 a.m. From
10.15 a.m. to 10.30 a.m., the students will
read the question paper only and will not
write any answer on the answer-book
during this period.
Series #CDBA/S
3 1 / S / 3
31/S/3 2
???? ???? ? ??:
? ? ? ? ? ?? ????? ? ?? ?? ? ?? ? ?? ? ? ?? ?? ? ??? :
(i) ?? -? ? ? 39 ? ? ???? ?? ?? ? ?
(ii) ? -? ?? ? ? ? ?? ???? ?? ? ? ? ?? – ?,??,??,?? ??
? ? ?
(iii) ? ???? – ?
? ? 1??? 20 ? ?? ?? ? ?? ??? ?? ? ? ?? 1 ?
?? ?? ?? ?
(iv) ? ???? – ?
? ? 21??? 26 ? ?? ? -? ?? ??? ?? ? ? ?? 2 ?
?? ?? ?? ?
? ?? ? ? 30 ?? 50 ? ? ? ?? ? ????? ?
(v) ? ???? – ?
? ? 27??? 33 ? ? -? ?? ??? ?? ? ? ?? 3 ?
?? ?? ?? ? ?
?? ? ? 50 ?? 80 ? ? ? ?? ? ????? ?
(vi) ? ???? – ?
? ? 34??? 36 ? ?? -? ?? ??? ?? ? ? ?? 5 ?
?? ?? ?? ? ?
?? ? ? 80 ?? 120 ? ? ? ?? ? ????? ?
(vii) ? ???? – ?
? ? 37??? 39 ? 3 -??? ? / ???-??? ? ???? ?? ?? ?
?? ??
4 ?
?? ?? (??- ??? ) ? ?
(viii) -? ? ?? ??? ? ? ? ? ? ? ?? ? ?? , ? ? ? ? ?
? ?? ??? ? ? ? ?? ? ? ?? ???
?? ? ??? ?? ?? ??? ? ?? ? ? ???? ?
? ? ?
?
? ? 1 ?? 20 ? ?? ?? ? ? ? ?? ??? ??? ? ? ?? ???? ??? ??? ? ? ? ? ??
? ? ? ? ? ? ?? ? ? ? ? ??? ?? ?
?? ? ?? ? 20 ´1=20
1. ?? ??? ? ? ?? ? ?? ?? ??? ? ? ??? ? ? ? ? ? , ?? ??? ? ? ? ???? ? ?
??? ? ? ? :
(A) PbO, NO ? O
2
(B) PbO
2
, NO ? NO
2
(C) PbO, NO
2
? O
2
(D) PbO
2
, NO
2
? O
2
2. ? ? ? ? ?? ? ? ? ? ? ? ???
????? ? ? ?? ? ?? ? ? ?
?? ? ? ?? ? ? ? , ??
? ? ?? ??? ? :
(A) ? ? ? ?? ? ? ? (B) ??
?? ??
(C) ? ? ? ? ? ? ? ?? (D) ? ? ? ?>
Page 3
31/S/3 1 P.T.O.
narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.
Set-3
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
ZmoQ>
NOTE
(I)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV
n¥ð> 27 h¢ &
(I) Please check that this question paper
contains 27 printed pages.
(II)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|
>39 àíZ h¢ &
(II) Please check that this question paper
contains 39 questions.
(III)
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE
àíZ-nÌ H$moS >H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥ð> na {bI| &
(III) Q.P. Code given on the right hand side of
the question paper should be written on
the title page of the answer-book by the
candidate.
(IV)
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
(IV) Please write down the serial number of
the question in the answer-book before
attempting it.
(V)
Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ
>H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm &
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
(V) 15 minute time has been allotted to read
this question paper. The question paper
will be distributed at 10.15 a.m. From
10.15 a.m. to 10.30 a.m., the students will
read the question paper only and will not
write any answer on the answer-book
during this period.
Series #CDBA/S
3 1 / S / 3
31/S/3 2
???? ???? ? ??:
? ? ? ? ? ?? ????? ? ?? ?? ? ?? ? ?? ? ? ?? ?? ? ??? :
(i) ?? -? ? ? 39 ? ? ???? ?? ?? ? ?
(ii) ? -? ?? ? ? ? ?? ???? ?? ? ? ? ?? – ?,??,??,?? ??
? ? ?
(iii) ? ???? – ?
? ? 1??? 20 ? ?? ?? ? ?? ??? ?? ? ? ?? 1 ?
?? ?? ?? ?
(iv) ? ???? – ?
? ? 21??? 26 ? ?? ? -? ?? ??? ?? ? ? ?? 2 ?
?? ?? ?? ?
? ?? ? ? 30 ?? 50 ? ? ? ?? ? ????? ?
(v) ? ???? – ?
? ? 27??? 33 ? ? -? ?? ??? ?? ? ? ?? 3 ?
?? ?? ?? ? ?
?? ? ? 50 ?? 80 ? ? ? ?? ? ????? ?
(vi) ? ???? – ?
? ? 34??? 36 ? ?? -? ?? ??? ?? ? ? ?? 5 ?
?? ?? ?? ? ?
?? ? ? 80 ?? 120 ? ? ? ?? ? ????? ?
(vii) ? ???? – ?
? ? 37??? 39 ? 3 -??? ? / ???-??? ? ???? ?? ?? ?
?? ??
4 ?
?? ?? (??- ??? ) ? ?
(viii) -? ? ?? ??? ? ? ? ? ? ? ?? ? ?? , ? ? ? ? ?
? ?? ??? ? ? ? ?? ? ? ?? ???
?? ? ??? ?? ?? ??? ? ?? ? ? ???? ?
? ? ?
?
? ? 1 ?? 20 ? ?? ?? ? ? ? ?? ??? ??? ? ? ?? ???? ??? ??? ? ? ? ? ??
? ? ? ? ? ? ?? ? ? ? ? ??? ?? ?
?? ? ?? ? 20 ´1=20
1. ?? ??? ? ? ?? ? ?? ?? ??? ? ? ??? ? ? ? ? ? , ?? ??? ? ? ? ???? ? ?
??? ? ? ? :
(A) PbO, NO ? O
2
(B) PbO
2
, NO ? NO
2
(C) PbO, NO
2
? O
2
(D) PbO
2
, NO
2
? O
2
2. ? ? ? ? ?? ? ? ? ? ? ? ???
????? ? ? ?? ? ?? ? ? ?
?? ? ? ?? ? ? ? , ??
? ? ?? ??? ? :
(A) ? ? ? ?? ? ? ? (B) ??
?? ??
(C) ? ? ? ? ? ? ? ?? (D) ? ? ? ?>
31/S/3 3 P.T.O.
General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper comprises 39 questions. All questions are compulsory.
(ii) This question paper is divided into five sections – A, B, C, D and E.
(iii) Section A – Questions No. 1 to 20 are Multiple Choice Questions. Each question
carries 1 mark.
(iv) Section B – Questions No. 21 to 26 are Very Short Answer type questions. Each
question carries 2 marks. Answer to these questions should be in the range of 30 to 50
words.
(v) Section C – Questions No. 27 to 33 are Short Answer type questions. Each question
carries 3 marks. Answer to these questions should in the range of 50 to 80 words.
(vi) Section D – Questions No. 34 to 36 are Long Answer type questions. Each question
carries 5 marks. Answer to these questions should be in the range of 80 to 120 words.
(vii) Section E – Questions No. 37 to 39 are of 3 source-based/case-based units of
assessment carrying 4 marks each with sub-parts.
(viii) There is no overall choice. However, an internal choice has been provided in
some sections. Only one of the alternatives has to be attempted in such questions.
SECTION A
Select and write the most appropriate option out of the four options given for each of the
questions no. 1 to 20. There is no negative marking for incorrect response. 20 ´1=20
1. When lead nitrate powder is heated in a boiling tube, three substances are produced.
These three substances are :
(A) PbO, NO and O
2
(B) PbO
2
, NO and NO
2
(C) PbO, NO
2
and O
2
(D) PbO
2
, NO
2
and O
2
2. A few drops of turmeric solution are added to a colourless liquid. If the liquid
becomes red, the liquid may be :
(A) Hydrochloric acid (B) Distilled water
(C) Ammonium hydroxide (D) Lemon juice
Page 4
31/S/3 1 P.T.O.
narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.
Set-3
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
ZmoQ>
NOTE
(I)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV
n¥ð> 27 h¢ &
(I) Please check that this question paper
contains 27 printed pages.
(II)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|
>39 àíZ h¢ &
(II) Please check that this question paper
contains 39 questions.
(III)
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE
àíZ-nÌ H$moS >H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥ð> na {bI| &
(III) Q.P. Code given on the right hand side of
the question paper should be written on
the title page of the answer-book by the
candidate.
(IV)
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
(IV) Please write down the serial number of
the question in the answer-book before
attempting it.
(V)
Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ
>H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm &
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
(V) 15 minute time has been allotted to read
this question paper. The question paper
will be distributed at 10.15 a.m. From
10.15 a.m. to 10.30 a.m., the students will
read the question paper only and will not
write any answer on the answer-book
during this period.
Series #CDBA/S
3 1 / S / 3
31/S/3 2
???? ???? ? ??:
? ? ? ? ? ?? ????? ? ?? ?? ? ?? ? ?? ? ? ?? ?? ? ??? :
(i) ?? -? ? ? 39 ? ? ???? ?? ?? ? ?
(ii) ? -? ?? ? ? ? ?? ???? ?? ? ? ? ?? – ?,??,??,?? ??
? ? ?
(iii) ? ???? – ?
? ? 1??? 20 ? ?? ?? ? ?? ??? ?? ? ? ?? 1 ?
?? ?? ?? ?
(iv) ? ???? – ?
? ? 21??? 26 ? ?? ? -? ?? ??? ?? ? ? ?? 2 ?
?? ?? ?? ?
? ?? ? ? 30 ?? 50 ? ? ? ?? ? ????? ?
(v) ? ???? – ?
? ? 27??? 33 ? ? -? ?? ??? ?? ? ? ?? 3 ?
?? ?? ?? ? ?
?? ? ? 50 ?? 80 ? ? ? ?? ? ????? ?
(vi) ? ???? – ?
? ? 34??? 36 ? ?? -? ?? ??? ?? ? ? ?? 5 ?
?? ?? ?? ? ?
?? ? ? 80 ?? 120 ? ? ? ?? ? ????? ?
(vii) ? ???? – ?
? ? 37??? 39 ? 3 -??? ? / ???-??? ? ???? ?? ?? ?
?? ??
4 ?
?? ?? (??- ??? ) ? ?
(viii) -? ? ?? ??? ? ? ? ? ? ? ?? ? ?? , ? ? ? ? ?
? ?? ??? ? ? ? ?? ? ? ?? ???
?? ? ??? ?? ?? ??? ? ?? ? ? ???? ?
? ? ?
?
? ? 1 ?? 20 ? ?? ?? ? ? ? ?? ??? ??? ? ? ?? ???? ??? ??? ? ? ? ? ??
? ? ? ? ? ? ?? ? ? ? ? ??? ?? ?
?? ? ?? ? 20 ´1=20
1. ?? ??? ? ? ?? ? ?? ?? ??? ? ? ??? ? ? ? ? ? , ?? ??? ? ? ? ???? ? ?
??? ? ? ? :
(A) PbO, NO ? O
2
(B) PbO
2
, NO ? NO
2
(C) PbO, NO
2
? O
2
(D) PbO
2
, NO
2
? O
2
2. ? ? ? ? ?? ? ? ? ? ? ? ???
????? ? ? ?? ? ?? ? ? ?
?? ? ? ?? ? ? ? , ??
? ? ?? ??? ? :
(A) ? ? ? ?? ? ? ? (B) ??
?? ??
(C) ? ? ? ? ? ? ? ?? (D) ? ? ? ?>
31/S/3 3 P.T.O.
General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper comprises 39 questions. All questions are compulsory.
(ii) This question paper is divided into five sections – A, B, C, D and E.
(iii) Section A – Questions No. 1 to 20 are Multiple Choice Questions. Each question
carries 1 mark.
(iv) Section B – Questions No. 21 to 26 are Very Short Answer type questions. Each
question carries 2 marks. Answer to these questions should be in the range of 30 to 50
words.
(v) Section C – Questions No. 27 to 33 are Short Answer type questions. Each question
carries 3 marks. Answer to these questions should in the range of 50 to 80 words.
(vi) Section D – Questions No. 34 to 36 are Long Answer type questions. Each question
carries 5 marks. Answer to these questions should be in the range of 80 to 120 words.
(vii) Section E – Questions No. 37 to 39 are of 3 source-based/case-based units of
assessment carrying 4 marks each with sub-parts.
(viii) There is no overall choice. However, an internal choice has been provided in
some sections. Only one of the alternatives has to be attempted in such questions.
SECTION A
Select and write the most appropriate option out of the four options given for each of the
questions no. 1 to 20. There is no negative marking for incorrect response. 20 ´1=20
1. When lead nitrate powder is heated in a boiling tube, three substances are produced.
These three substances are :
(A) PbO, NO and O
2
(B) PbO
2
, NO and NO
2
(C) PbO, NO
2
and O
2
(D) PbO
2
, NO
2
and O
2
2. A few drops of turmeric solution are added to a colourless liquid. If the liquid
becomes red, the liquid may be :
(A) Hydrochloric acid (B) Distilled water
(C) Ammonium hydroxide (D) Lemon juice
31/S/3 4
3. ? ? ? ? ?? ?
? :
(A) CaSO
4
.
2
1
H
2
O (B) CaSO
4
. 2H
2
O
(C) CaSO
4
. H
2
O (D) CaSO
4
. 5H
2
O
4. ?? ?? ?? ?? ? ?? ? ? ? ? ? ? ? ??? ?? ? ? -? ? ? ?? ? ??
?? ? ?? ?? ? ? ??? ?? ? ? ? ? ?? ??? ? ??? ? ??? ? ? ?
? ? ? ?? ?? ??? ? ? ? ? ?
(A) ?
? ??? ? (B) ????? ( ? ???) ?
(C) ? ?? ? (D) - ? ?? ?
5. ? ? ? ?? ?? ?? ? ? ?? ? ? ?? ?? ?? ?? ? C – C ??? ?? ? ? ?? C º C
-?? ? ? :
(A) ? ?? (B) ?? ??
(C) ? ?? (D) ?? ??
6. ? ?? ? ? ? ? ? ? ? ? ?? ?? ??? ? ? ?? ?? :
CuO + H
2 2 2
CuO H Cu H O + ¾ ¾ ® + Cu + H
2
O
(A) CuO ? ??? ? ?? ? ? ? H
2
??? ? ?? ?? ?
(B) H
2
? ??? ? ?? ? ? ? CuO ??? ? ?? ? ?
(C) CuO ??? ? ??? ? ?
(D) H
2
??? ? ??? ? ?
7. ? ? ? ?? ? ??? ? ?? ‘A’ ? ? ? :
NaCl + NH
3
+ H
2
O + CO
2
2 2
CuO H Cu H O + ¾ ¾ ® + ‘A’ + NH
4
Cl
(A) ?? ? ? ? ???
(B) ? ? ? ? ? ?? ?
(C) ?? ? ? ? ??? ? ? ???
(D) ? ? ? ? ? ??? ? ? ???
8. ?? ?? ?
? , ? ?? ???? ? ? ? ? ? ??? ? :
(A) ? ? ® ?
? ? ® ???? ® ??? ® ? ??
(B) ? ? ® ???? ® ?
? ? ® ??? ® ? ??
(C) ? ? ® ??? ® ?
? ? ® ???? ® ? ??
(D) ? ? ® ?
? ? ® ??? ® ???? ® ? ??
Page 5
31/S/3 1 P.T.O.
narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
_wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.
Set-3
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
ZmoQ>
NOTE
(I)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV
n¥ð> 27 h¢ &
(I) Please check that this question paper
contains 27 printed pages.
(II)
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _|
>39 àíZ h¢ &
(II) Please check that this question paper
contains 39 questions.
(III)
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE
àíZ-nÌ H$moS >H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥ð> na {bI| &
(III) Q.P. Code given on the right hand side of
the question paper should be written on
the title page of the answer-book by the
candidate.
(IV)
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
(IV) Please write down the serial number of
the question in the answer-book before
attempting it.
(V)
Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ
>H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm &
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
(V) 15 minute time has been allotted to read
this question paper. The question paper
will be distributed at 10.15 a.m. From
10.15 a.m. to 10.30 a.m., the students will
read the question paper only and will not
write any answer on the answer-book
during this period.
Series #CDBA/S
3 1 / S / 3
31/S/3 2
???? ???? ? ??:
? ? ? ? ? ?? ????? ? ?? ?? ? ?? ? ?? ? ? ?? ?? ? ??? :
(i) ?? -? ? ? 39 ? ? ???? ?? ?? ? ?
(ii) ? -? ?? ? ? ? ?? ???? ?? ? ? ? ?? – ?,??,??,?? ??
? ? ?
(iii) ? ???? – ?
? ? 1??? 20 ? ?? ?? ? ?? ??? ?? ? ? ?? 1 ?
?? ?? ?? ?
(iv) ? ???? – ?
? ? 21??? 26 ? ?? ? -? ?? ??? ?? ? ? ?? 2 ?
?? ?? ?? ?
? ?? ? ? 30 ?? 50 ? ? ? ?? ? ????? ?
(v) ? ???? – ?
? ? 27??? 33 ? ? -? ?? ??? ?? ? ? ?? 3 ?
?? ?? ?? ? ?
?? ? ? 50 ?? 80 ? ? ? ?? ? ????? ?
(vi) ? ???? – ?
? ? 34??? 36 ? ?? -? ?? ??? ?? ? ? ?? 5 ?
?? ?? ?? ? ?
?? ? ? 80 ?? 120 ? ? ? ?? ? ????? ?
(vii) ? ???? – ?
? ? 37??? 39 ? 3 -??? ? / ???-??? ? ???? ?? ?? ?
?? ??
4 ?
?? ?? (??- ??? ) ? ?
(viii) -? ? ?? ??? ? ? ? ? ? ? ?? ? ?? , ? ? ? ? ?
? ?? ??? ? ? ? ?? ? ? ?? ???
?? ? ??? ?? ?? ??? ? ?? ? ? ???? ?
? ? ?
?
? ? 1 ?? 20 ? ?? ?? ? ? ? ?? ??? ??? ? ? ?? ???? ??? ??? ? ? ? ? ??
? ? ? ? ? ? ?? ? ? ? ? ??? ?? ?
?? ? ?? ? 20 ´1=20
1. ?? ??? ? ? ?? ? ?? ?? ??? ? ? ??? ? ? ? ? ? , ?? ??? ? ? ? ???? ? ?
??? ? ? ? :
(A) PbO, NO ? O
2
(B) PbO
2
, NO ? NO
2
(C) PbO, NO
2
? O
2
(D) PbO
2
, NO
2
? O
2
2. ? ? ? ? ?? ? ? ? ? ? ? ???
????? ? ? ?? ? ?? ? ? ?
?? ? ? ?? ? ? ? , ??
? ? ?? ??? ? :
(A) ? ? ? ?? ? ? ? (B) ??
?? ??
(C) ? ? ? ? ? ? ? ?? (D) ? ? ? ?>
31/S/3 3 P.T.O.
General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper comprises 39 questions. All questions are compulsory.
(ii) This question paper is divided into five sections – A, B, C, D and E.
(iii) Section A – Questions No. 1 to 20 are Multiple Choice Questions. Each question
carries 1 mark.
(iv) Section B – Questions No. 21 to 26 are Very Short Answer type questions. Each
question carries 2 marks. Answer to these questions should be in the range of 30 to 50
words.
(v) Section C – Questions No. 27 to 33 are Short Answer type questions. Each question
carries 3 marks. Answer to these questions should in the range of 50 to 80 words.
(vi) Section D – Questions No. 34 to 36 are Long Answer type questions. Each question
carries 5 marks. Answer to these questions should be in the range of 80 to 120 words.
(vii) Section E – Questions No. 37 to 39 are of 3 source-based/case-based units of
assessment carrying 4 marks each with sub-parts.
(viii) There is no overall choice. However, an internal choice has been provided in
some sections. Only one of the alternatives has to be attempted in such questions.
SECTION A
Select and write the most appropriate option out of the four options given for each of the
questions no. 1 to 20. There is no negative marking for incorrect response. 20 ´1=20
1. When lead nitrate powder is heated in a boiling tube, three substances are produced.
These three substances are :
(A) PbO, NO and O
2
(B) PbO
2
, NO and NO
2
(C) PbO, NO
2
and O
2
(D) PbO
2
, NO
2
and O
2
2. A few drops of turmeric solution are added to a colourless liquid. If the liquid
becomes red, the liquid may be :
(A) Hydrochloric acid (B) Distilled water
(C) Ammonium hydroxide (D) Lemon juice
31/S/3 4
3. ? ? ? ? ?? ?
? :
(A) CaSO
4
.
2
1
H
2
O (B) CaSO
4
. 2H
2
O
(C) CaSO
4
. H
2
O (D) CaSO
4
. 5H
2
O
4. ?? ?? ?? ?? ? ?? ? ? ? ? ? ? ? ??? ?? ? ? -? ? ? ?? ? ??
?? ? ?? ?? ? ? ??? ?? ? ? ? ? ?? ??? ? ??? ? ??? ? ? ?
? ? ? ?? ?? ??? ? ? ? ? ?
(A) ?
? ??? ? (B) ????? ( ? ???) ?
(C) ? ?? ? (D) - ? ?? ?
5. ? ? ? ?? ?? ?? ? ? ?? ? ? ?? ?? ?? ?? ? C – C ??? ?? ? ? ?? C º C
-?? ? ? :
(A) ? ?? (B) ?? ??
(C) ? ?? (D) ?? ??
6. ? ?? ? ? ? ? ? ? ? ? ?? ?? ??? ? ? ?? ?? :
CuO + H
2 2 2
CuO H Cu H O + ¾ ¾ ® + Cu + H
2
O
(A) CuO ? ??? ? ?? ? ? ? H
2
??? ? ?? ?? ?
(B) H
2
? ??? ? ?? ? ? ? CuO ??? ? ?? ? ?
(C) CuO ??? ? ??? ? ?
(D) H
2
??? ? ??? ? ?
7. ? ? ? ?? ? ??? ? ?? ‘A’ ? ? ? :
NaCl + NH
3
+ H
2
O + CO
2
2 2
CuO H Cu H O + ¾ ¾ ® + ‘A’ + NH
4
Cl
(A) ?? ? ? ? ???
(B) ? ? ? ? ? ?? ?
(C) ?? ? ? ? ??? ? ? ???
(D) ? ? ? ? ? ??? ? ? ???
8. ?? ?? ?
? , ? ?? ???? ? ? ? ? ? ??? ? :
(A) ? ? ® ?
? ? ® ???? ® ??? ® ? ??
(B) ? ? ® ???? ® ?
? ? ® ??? ® ? ??
(C) ? ? ® ??? ® ?
? ? ® ???? ® ? ??
(D) ? ? ® ?
? ? ® ??? ® ???? ® ? ??
31/S/3 5 P.T.O.
3. The chemical formula of Gypsum is :
(A) CaSO
4
.
2
1
H
2
O (B) CaSO
4
. 2H
2
O
(C) CaSO
4
. H
2
O (D) CaSO
4
. 5H
2
O
4. When aqueous solutions of barium chloride and sodium sulphate react together, an
insoluble substance along with aqueous solution of sodium chloride is formed. This
reaction is an example of a :
(A) combination reaction (B) decomposition reaction
(C) displacement reaction (D) double displacement reaction
5. A hydrocarbon which contains two C – C single bonds and one C º C triple bond
is :
(A) Ethyne (B) Propyne
(C) Butyne (D) Benzene
6. Select the correct statement from the following about the reaction :
CuO + H
2 2 2
CuO H Cu H O + ¾ ¾ ® + Cu + H
2
O
(A) CuO is getting oxidised and H
2
is getting reduced.
(B) H
2
is getting oxidised and CuO is getting reduced.
(C) CuO is a reducing agent.
(D) H
2
is an oxidising agent.
7. The name of the compound ‘A’ formed in the following reaction is :
NaCl + NH
3
+ H
2
O + CO
2
2 2
CuO H Cu H O + ¾ ¾ ® + ‘A’ + NH
4
Cl
(A) Sodium carbonate
(B) Ammonium carbonate
(C) Sodium hydrogen carbonate
(D) Ammonium hydrogen carbonate
8. In the human respiratory system, the path taken by air when we breathe in is :
(A) ® ® ® ® Nostrils Larynx Trachea Pharynx Alveoli
(B) ® ® ® ® Nostrils Trachea Larynx Pharynx Alveoli
(C) ® ® ® ® Nostrils Pharynx Larynx Trachea Alveoli
(D) ® ® ® ® Nostrils Larynx Pharynx Trachea Alveoli
Read More
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