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

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Write the equation for the reaction of dilute nitric acid with copper.

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

Write the equations to show what happens when ethyne gas reacts with

Excess of hydrochloric acid

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

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Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.

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

How will you convert

 Ethyne to acetaldehyde

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

Give the reactions of ethyne with Water.

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

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

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:

Aluminum, Nitride and Water.

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

What is vinegar and glacial acetic acid?

[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
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