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(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

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Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Give the reactions of ethyne with  Bromine.

[9.1] Organic Compounds
Chapter: [9.1] Organic Compounds
Concept: undefined >> undefined

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Explain the following:

Ethane does not undergo addition reactions

[9.1] Organic Compounds
Chapter: [9.1] Organic Compounds
Concept: undefined >> undefined

Write a chemical equation to illustrate the acidic nature of nitric acid.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Explain the following:

Ethyne is used for welding and cutting metals

[9.1] Organic Compounds
Chapter: [9.1] Organic Compounds
Concept: undefined >> undefined

The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:

(i)
Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Write the molecular formulae and structure formula of ethanic acid?

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

State, what is observe when nitric acid is kept in a reagent bottle for a long time.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Write the equation for the reaction:

Aluminium nitride and Water.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

What is vinegar?

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

Write three physical properties of acetic acid.

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

Copy and complete the following table relating to important industrial processes output refers to the product of the process not the intermediate steps.

Name of process Inputs Catalyst Equation for catalysed reaction Output
Haber process Hydrogen        +      
 

Ammonia

      + 
     Air

    Nitric acid
[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Write the important uses of acetic acid.

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

Name the gas evolved:
The gas produced on heating sodium nitrate.

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

What is the main constituent of vinegar?

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined

Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?

[8.3] Nitric Acid
Chapter: [8.3] Nitric Acid
Concept: undefined >> undefined
What is the result of oxidation of ethyl alcohol?
[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

What is the action of acetic acid with litmus paper?

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined

What is thr boilng point of acetic acid?

[9.6] Carboxylic Acids
Chapter: [9.6] Carboxylic Acids
Concept: undefined >> undefined
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