CBSE Class 12 History (Urdu) Question Paper 2018 with Answer Key (March 20, Set 1

CBSE Class 12 History (Urdu) Question Paper 2018 with Answer Key Set 1 - 253/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 20, 2018 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Urdu. In terms of difficulty level, CBSE Class 12 History (Urdu) paper was of Easy level. The question paper comprised a total of 17 questions divided among 2 sections.

CBSE Class 12 History (Urdu) Set 1 - 253/1 Question Paper 2018 with Answer Key (March 20)

CBSE Class 12 History (Urdu) Question Paper 2018 PDF	CBSE Class 12 History (Urdu) Answer Key 2018 PDF
Download PDF	Available Soon

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

1.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

View Solution

2.
What are reducing sugars?

View Solution

3.
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

4.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

View Solution

5.
Under what condition can a bimolecular reaction become kinetically first order?

View Solution

6.
Why are magnesium blocks attached to iron water pipelines?

View Solution

CBSE Class 12 History (Urdu) Question Paper 2018 with Answer Key (March 20, Set 1 - 253/1)

CBSE Class 12 History (Urdu) Set 1 - 253/1 Question Paper 2018 with Answer Key (March 20)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

2.
What are reducing sugars?

3.
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.

4.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

5.
Under what condition can a bimolecular reaction become kinetically first order?

6.
Why are magnesium blocks attached to iron water pipelines?

Comments

SUBSCRIBE TO OUR NEWS LETTER

CBSE Class 12 History (Urdu) Set 1 - 253/1 Question Paper 2018 with Answer Key (March 20)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

2.What are reducing sugars?

3.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.

4.Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

5.Under what condition can a bimolecular reaction become kinetically first order?

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

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

2.
What are reducing sugars?

3.
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.

4.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

5.
Under what condition can a bimolecular reaction become kinetically first order?

6.
Why are magnesium blocks attached to iron water pipelines?