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Page 1
31/S/2 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-2
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> 31 h¢ &
(I) Please check that this question paper
contains 31 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 / 2
Page 2
31/S/2 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-2
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> 31 h¢ &
(I) Please check that this question paper
contains 31 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 / 2
31/S/2 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. ? ? ??? ? ?? ?? ??? ??? ?? ??? ? ? ?? ?? C – C ?? ? ? ??? ?? C º C
? -? ? ?? :
(A) ???? (B) ????
(C) ????? (D) ? ?
Page 3
31/S/2 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-2
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> 31 h¢ &
(I) Please check that this question paper
contains 31 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 / 2
31/S/2 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. ? ? ??? ? ?? ?? ??? ??? ?? ??? ? ? ?? ?? C – C ?? ? ? ??? ?? C º C
? -? ? ?? :
(A) ???? (B) ????
(C) ????? (D) ? ?
31/S/2 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. 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
Page 4
31/S/2 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-2
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> 31 h¢ &
(I) Please check that this question paper
contains 31 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 / 2
31/S/2 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. ? ? ??? ? ?? ?? ??? ??? ?? ??? ? ? ?? ?? C – C ?? ? ? ??? ?? C º C
? -? ? ?? :
(A) ???? (B) ????
(C) ????? (D) ? ?
31/S/2 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. 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
31/S/2 4
2. ? ? ??? ? ?? ??? ?? ? ?? ??? ? ?
? ? ?? ??? ? ???? ?? ?
(A) ???
? ? ????? ? ?? ? ? ???
(B) ?? ? ? ? ???? ? ?? ? ? ???
(C) ???
? ? ???? ? ?? ? ? ???
(D)
??? ? ? ?
? ? ? ?? ? ? ??? >
3. ? ? ??? ? ?? ??? /?? ?? / ?? ? ?
??? ?? ? ?? ??? ?? ?
I. CuO + H
2
II. ZnO + C
III. Na + O
2
IV. CH
4
+ O
2
(A) ? ? III (B) ? ? IV
(C) II ?? III (D) I, III ?? IV>
4. ?? ? ? ?
?? ? ??? ?? ? ?? :
(A) ?? ??? ? (B) ???? ??? ?
(C) ??? ?? ? (D) ??? ? ? >>
5. ? ?? ?? ? ?? ? ? ??? ? ? ? ??? ? ?? ?? ?? ??? ? :
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
????? ? ? ? ?? ?
6. ? ? ??? ? ?? ???? ? ? ? ? ? ?
? ?? ? ?? ?? ?? ?
(A) ?? ? ?? ???? (B) ? ??
(C) ? ? ?? ? ? ? ? (D) ???? ? ? ? ?
Page 5
31/S/2 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-2
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> 31 h¢ &
(I) Please check that this question paper
contains 31 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 / 2
31/S/2 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. ? ? ??? ? ?? ?? ??? ??? ?? ??? ? ? ?? ?? C – C ?? ? ? ??? ?? C º C
? -? ? ?? :
(A) ???? (B) ????
(C) ????? (D) ? ?
31/S/2 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. 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
31/S/2 4
2. ? ? ??? ? ?? ??? ?? ? ?? ??? ? ?
? ? ?? ??? ? ???? ?? ?
(A) ???
? ? ????? ? ?? ? ? ???
(B) ?? ? ? ? ???? ? ?? ? ? ???
(C) ???
? ? ???? ? ?? ? ? ???
(D)
??? ? ? ?
? ? ? ?? ? ? ??? >
3. ? ? ??? ? ?? ??? /?? ?? / ?? ? ?
??? ?? ? ?? ??? ?? ?
I. CuO + H
2
II. ZnO + C
III. Na + O
2
IV. CH
4
+ O
2
(A) ? ? III (B) ? ? IV
(C) II ?? III (D) I, III ?? IV>
4. ?? ? ? ?
?? ? ??? ?? ? ?? :
(A) ?? ??? ? (B) ???? ??? ?
(C) ??? ?? ? (D) ??? ? ? >>
5. ? ?? ?? ? ?? ? ? ??? ? ? ? ??? ? ?? ?? ?? ??? ? :
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
????? ? ? ? ?? ?
6. ? ? ??? ? ?? ???? ? ? ? ? ? ?
? ?? ? ?? ?? ?? ?
(A) ?? ? ?? ???? (B) ? ??
(C) ? ? ?? ? ? ? ? (D) ???? ? ? ? ?
31/S/2 5 P.T.O.
2. Bleaching powder can be prepared by reacting :
(A) Baking power with chlorine
(B) Washing soda with chlorine
(C) Baking soda with chlorine
(D) Slaked lime with chlorine
3. In the following case(s) the combination reaction occurs in :
I. CuO + H
2
II. ZnO + C
III. Na + O
2
IV. CH
4
+ O
2
(A) Only III (B) Only IV
(C) II and III (D) I, III and IV
4. The acid present in nettle sting is :
(A) Acetic acid (B) Methanoic acid
(C) Tartaric acid (D) Citric acid
5. 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.
6. Which among the following has minimum number of water of crystallisation ?
(A) Washing soda (B) Gypsum
(C) Ferrous sulphate (D) Copper sulphate
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