Class 10 Exam > Class 10 Notes > Past Year Papers for Class 10 > Science 2023 Compartment Exams Set-2
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Page 1
31/C/2 H 1 H 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.
Series Z1XYW/C SET ~2
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 27 h¢ &
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| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 39 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ
Ho$db àíZ- -nwpñVH$m na H$moB© CÎma
Zht {bI|Jo &
Please check that this question paper contains 27 printed pages.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please check that this question paper contains 39 questions.
Please write down the serial number of the question in the answer-book before
attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on the
answer-book during this period.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
31/C/2
*
^
Page 2
31/C/2 H 1 H 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.
Series Z1XYW/C SET ~2
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 27 h¢ &
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| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 39 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ
Ho$db àíZ- -nwpñVH$m na H$moB© CÎma
Zht {bI|Jo &
Please check that this question paper contains 27 printed pages.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please check that this question paper contains 39 questions.
Please write down the serial number of the question in the answer-book before
attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on the
answer-book during this period.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
31/C/2
*
^
31/C/2 H 2 H
:
:
(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
(viii)
IÊS> H$
20 1 20 20 1=20
1. 2 g nrbo gë\$a nmCS>a H$mo {H$gr Mm`Zm {S>e _| Obm`m J`m Am¡a {ZH$bo YwE± H$mo EH$
naIZbr _| EH$Ì {H$`m J`m & Bg naIZbr _| Ob S>mbm J`m Am¡a Bg àH$ma ~Zo {db`Z
H$m narjU n¥WH$-n¥WH$ ê$n go Zrbo Am¡a bmb {bQ>_g nÌm| Ho$ gmW {H$`m J`m & ghr
{dH$ën Mw{ZE :
(a) Zrbm {bQ>_g Zrbm ahVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(b) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
(c) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(d) Zrbm {bQ>_g Zrbm hr ahVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
Page 3
31/C/2 H 1 H 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.
Series Z1XYW/C SET ~2
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 27 h¢ &
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| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 39 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ
Ho$db àíZ- -nwpñVH$m na H$moB© CÎma
Zht {bI|Jo &
Please check that this question paper contains 27 printed pages.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please check that this question paper contains 39 questions.
Please write down the serial number of the question in the answer-book before
attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on the
answer-book during this period.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
31/C/2
*
^
31/C/2 H 2 H
:
:
(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
(viii)
IÊS> H$
20 1 20 20 1=20
1. 2 g nrbo gë\$a nmCS>a H$mo {H$gr Mm`Zm {S>e _| Obm`m J`m Am¡a {ZH$bo YwE± H$mo EH$
naIZbr _| EH$Ì {H$`m J`m & Bg naIZbr _| Ob S>mbm J`m Am¡a Bg àH$ma ~Zo {db`Z
H$m narjU n¥WH$-n¥WH$ ê$n go Zrbo Am¡a bmb {bQ>_g nÌm| Ho$ gmW {H$`m J`m & ghr
{dH$ën Mw{ZE :
(a) Zrbm {bQ>_g Zrbm ahVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(b) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
(c) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(d) Zrbm {bQ>_g Zrbm hr ahVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
31/C/2 H 3 H 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
This section has 20 multiple choice questions (Q.No. 1 20). All questions are
compulsory. 20 1=20
1. 2 g of yellow sulphur powder is burnt in a china dish and the fumes are
collected in a test tube. Water is added in the test tube and the solution is
tested separately with blue and red litmus paper. The correct option is :
(a) Blue litmus remains blue and red litmus turns blue.
(b) Blue litmus turns red and red litmus remains red.
(c) Blue litmus turns red and red litmus turns blue.
(d) Blue litmus remains blue and red litmus remains red.
Page 4
31/C/2 H 1 H 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.
Series Z1XYW/C SET ~2
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 27 h¢ &
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| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 39 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ
Ho$db àíZ- -nwpñVH$m na H$moB© CÎma
Zht {bI|Jo &
Please check that this question paper contains 27 printed pages.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please check that this question paper contains 39 questions.
Please write down the serial number of the question in the answer-book before
attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on the
answer-book during this period.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
31/C/2
*
^
31/C/2 H 2 H
:
:
(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
(viii)
IÊS> H$
20 1 20 20 1=20
1. 2 g nrbo gë\$a nmCS>a H$mo {H$gr Mm`Zm {S>e _| Obm`m J`m Am¡a {ZH$bo YwE± H$mo EH$
naIZbr _| EH$Ì {H$`m J`m & Bg naIZbr _| Ob S>mbm J`m Am¡a Bg àH$ma ~Zo {db`Z
H$m narjU n¥WH$-n¥WH$ ê$n go Zrbo Am¡a bmb {bQ>_g nÌm| Ho$ gmW {H$`m J`m & ghr
{dH$ën Mw{ZE :
(a) Zrbm {bQ>_g Zrbm ahVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(b) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
(c) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(d) Zrbm {bQ>_g Zrbm hr ahVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
31/C/2 H 3 H 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
This section has 20 multiple choice questions (Q.No. 1 20). All questions are
compulsory. 20 1=20
1. 2 g of yellow sulphur powder is burnt in a china dish and the fumes are
collected in a test tube. Water is added in the test tube and the solution is
tested separately with blue and red litmus paper. The correct option is :
(a) Blue litmus remains blue and red litmus turns blue.
(b) Blue litmus turns red and red litmus remains red.
(c) Blue litmus turns red and red litmus turns blue.
(d) Blue litmus remains blue and red litmus remains red.
31/C/2 H 4 H
2. Amn Ob H$s H$R>moaVm H$m narjU H$aZm MmhVo h¢, naÝVw AmnH$s à`moJembm _| H$R>moa Ob
CnbãY Zht h¡ & {ZåZ{b{IV _| go {H$Z `m¡{JH$m| H$mo ewÕ Ob _| KmobH$a Ob H$mo H$R>moa
~Zm`m Om gH$Vm h¡ ?
(i) gmo{S>`_ H$m hmBS´>moOZ H$m~m©oZoQ>
(ii) _¡½Zr{e`_ H$m gë\oo$Q>
(iii)
(iv) gmo{S>`_ H$m H$m~m©oZoQ>
(a) (i) Am¡a (ii)
(b) (ii) Am¡a (iii)
(c) (iii) Am¡a (iv)
(d) (i) Am¡a (iv)
3. Ob Ho$ {dÚwV-AnKQ>Z _| `{X EZmoS> na EH${ÌV J¡g H$m Ðì`_mZ m
a
Am¡a H¡$WmoS> na
EH${ÌV J¡g H$m Ðì`_mZ m
c
h¡, Vmo (m
c
/m
a
) H$m _mZ hmoJm :
(a) 8 (b) 16
(c)
16
1
(d)
8
1
4. ZrMo {XE JE nXmWmªo na {dMma H$s{OE :
(i) AåbrH¥$V K
2
Cr
2
O
7
(ii) jmar` KMnO
4
(iii)
(iv) hmBS´>moOZ
BZ_| go gm_mÝ`V: (CnMm`r EOoÝQ>) h¢ :
(a) Ho$db (i) Am¡a (ii)
(b) Ho$db (ii) Am¡a (iii)
(c) (i), (ii) Am¡a (iii)
(d) (i), (ii) Am¡a (iv)
Page 5
31/C/2 H 1 H 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.
Series Z1XYW/C SET ~2
àíZ-nÌ H$moS>
Q.P. Code
amob Z§.
Roll No.
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 27 h¢ &
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| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 39 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ
Ho$db àíZ- -nwpñVH$m na H$moB© CÎma
Zht {bI|Jo &
Please check that this question paper contains 27 printed pages.
Q.P. Code given on the right hand side of the question paper should be written
on the title page of the answer-book by the candidate.
Please check that this question paper contains 39 questions.
Please write down the serial number of the question in the answer-book before
attempting it.
15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on the
answer-book during this period.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
31/C/2
*
^
31/C/2 H 2 H
:
:
(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
(viii)
IÊS> H$
20 1 20 20 1=20
1. 2 g nrbo gë\$a nmCS>a H$mo {H$gr Mm`Zm {S>e _| Obm`m J`m Am¡a {ZH$bo YwE± H$mo EH$
naIZbr _| EH$Ì {H$`m J`m & Bg naIZbr _| Ob S>mbm J`m Am¡a Bg àH$ma ~Zo {db`Z
H$m narjU n¥WH$-n¥WH$ ê$n go Zrbo Am¡a bmb {bQ>_g nÌm| Ho$ gmW {H$`m J`m & ghr
{dH$ën Mw{ZE :
(a) Zrbm {bQ>_g Zrbm ahVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(b) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
(c) Zrbm {bQ>_g bmb hmo OmVm h¡ Am¡a bmb {bQ>_g Zrbm hmo OmVm h¡ &
(d) Zrbm {bQ>_g Zrbm hr ahVm h¡ Am¡a bmb {bQ>_g bmb hr ahVm h¡ &
31/C/2 H 3 H 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
This section has 20 multiple choice questions (Q.No. 1 20). All questions are
compulsory. 20 1=20
1. 2 g of yellow sulphur powder is burnt in a china dish and the fumes are
collected in a test tube. Water is added in the test tube and the solution is
tested separately with blue and red litmus paper. The correct option is :
(a) Blue litmus remains blue and red litmus turns blue.
(b) Blue litmus turns red and red litmus remains red.
(c) Blue litmus turns red and red litmus turns blue.
(d) Blue litmus remains blue and red litmus remains red.
31/C/2 H 4 H
2. Amn Ob H$s H$R>moaVm H$m narjU H$aZm MmhVo h¢, naÝVw AmnH$s à`moJembm _| H$R>moa Ob
CnbãY Zht h¡ & {ZåZ{b{IV _| go {H$Z `m¡{JH$m| H$mo ewÕ Ob _| KmobH$a Ob H$mo H$R>moa
~Zm`m Om gH$Vm h¡ ?
(i) gmo{S>`_ H$m hmBS´>moOZ H$m~m©oZoQ>
(ii) _¡½Zr{e`_ H$m gë\oo$Q>
(iii)
(iv) gmo{S>`_ H$m H$m~m©oZoQ>
(a) (i) Am¡a (ii)
(b) (ii) Am¡a (iii)
(c) (iii) Am¡a (iv)
(d) (i) Am¡a (iv)
3. Ob Ho$ {dÚwV-AnKQ>Z _| `{X EZmoS> na EH${ÌV J¡g H$m Ðì`_mZ m
a
Am¡a H¡$WmoS> na
EH${ÌV J¡g H$m Ðì`_mZ m
c
h¡, Vmo (m
c
/m
a
) H$m _mZ hmoJm :
(a) 8 (b) 16
(c)
16
1
(d)
8
1
4. ZrMo {XE JE nXmWmªo na {dMma H$s{OE :
(i) AåbrH¥$V K
2
Cr
2
O
7
(ii) jmar` KMnO
4
(iii)
(iv) hmBS´>moOZ
BZ_| go gm_mÝ`V: (CnMm`r EOoÝQ>) h¢ :
(a) Ho$db (i) Am¡a (ii)
(b) Ho$db (ii) Am¡a (iii)
(c) (i), (ii) Am¡a (iii)
(d) (i), (ii) Am¡a (iv)
31/C/2 H 5 H P.T.O.
2. You want to test for hardness of water but hard water is not available in
the laboratory. Which of the following compounds may be dissolved in
pure water to make it hard ?
(i) Hydrogen Carbonate of Sodium
(ii) Sulphate of Magnesium
(iii) Chloride of Calcium
(iv) Carbonate of Sodium
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)
3. In the electrolysis of water, if the mass of the gas collected at the anode is
m
a
and the mass of the gas collected at the cathode is m
c
,
the value of
(m
c
/m
a
) is :
(a) 8 (b) 16
(c)
16
1
(d)
8
1
4. Consider the following substances :
(i) Acidified K
2
Cr
2
O
7
(ii) Alkaline KMnO
4
(iii) Oxygen
(iv) Hydrogen
Out of these, the commonly used oxidising agents are :
(a) (i) and (ii) only
(b) (ii) and (iii) only
(c) (i), (ii) and (iii)
(d) (i), (ii) and (iv)
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FAQs on Science 2023 Compartment Exams Set-2 - Past Year Papers for Class 10
| 1. What is the importance of compartment exams in Class 10? |  |
Ans. Compartment exams in Class 10 are important as they provide students with a second chance to clear subjects they may have failed in the main exam. This helps students to avoid wasting a whole academic year and continue their studies without any delay.
| 2. How can students prepare effectively for Science compartment exams in Class 10? | |
Ans. Students can prepare effectively for Science compartment exams by revising the syllabus thoroughly, practicing previous year question papers, seeking help from teachers or tutors for clarification on difficult topics, and creating a study schedule to manage their time efficiently.
| 3. Are compartment exams easier than the main exams in Class 10? | |
Ans. Compartment exams are usually not easier than the main exams as they cover the same syllabus and have similar difficulty levels. Students are advised to prepare diligently and not underestimate the compartment exams to ensure a good performance.
| 4. How can students stay motivated during their preparation for Science compartment exams in Class 10? | |
Ans. Students can stay motivated by setting realistic goals, rewarding themselves for small achievements, staying positive, and seeking support from family and friends. It is important for students to stay focused on their studies and believe in their ability to succeed.
| 5. What are some common mistakes students should avoid during Science compartment exams in Class 10? | |
Ans. Some common mistakes students should avoid during compartment exams include neglecting certain topics while studying, not managing their time effectively during the exam, and panicking under pressure. It is essential for students to stay calm, focused, and organized during the exam to perform well.
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