CBSE Class 12 Physics Question Paper 2020 with Answer Key (March 2, Set 1

CBSE Class 12 Physics Question Paper 2020 with Answer Key Set 1 - 55/2/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 2, 2020 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was English & Hindi. In terms of difficulty level, CBSE Class 12 Physics paper was of Difficult level. The question paper comprised a total of 37 questions divided among 4 sections.

CBSE Class 12 Physics Set 1 - 55/2/1 Question Paper 2020 with Answer Key (March 2)

CBSE Class 12 Physics Question Paper 2020 PDF	CBSE Class 12 Physics Answer Key 2020 PDF
Download PDF	Download PDF

CBSE Class 12 Previous Year Question Papers

CBSE Question Paper 2020	CBSE Question Paper 2019	CBSE Question Paper 2018
CBSE Question Paper 2017	CBSE Question Paper 2016	CBSE Question Paper 2015

CBSE CLASS XII Questions

4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

View Solution

5.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

View Solution

6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

View Solution

CBSE Class 12 Physics Question Paper 2020 with Answer Key (March 2, Set 1 - 55/2/1)

CBSE Class 12 Physics Set 1 - 55/2/1 Question Paper 2020 with Answer Key (March 2)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

2.
Why are magnesium blocks attached to iron water pipelines?

3.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

5.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

Comments

SUBSCRIBE TO OUR NEWS LETTER

CBSE Class 12 Physics Set 1 - 55/2/1 Question Paper 2020 with Answer Key (March 2)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

2.Why are magnesium blocks attached to iron water pipelines?

3.Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

5.Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

6.For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

2.
Why are magnesium blocks attached to iron water pipelines?

3.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

5.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.