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

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What do you observe when ammonium hydroxide is added to the aqueous solution of Iron (III) chloride? Write a balanced equation for this.

[8.2] Ammonia
Chapter: [8.2] Ammonia
Concept: undefined >> undefined

What do you observe when ammonium hydroxide is added to the aqueous solution of Lead nitrate? Write a balanced equation for this.

[8.2] Ammonia
Chapter: [8.2] Ammonia
Concept: undefined >> undefined

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What do you observe when ammonium hydroxide is added to the aqueous solution of Zinc nitrate? Write a balanced equation for this.

[8.2] Ammonia
Chapter: [8.2] Ammonia
Concept: undefined >> undefined

Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.

[8.2] Ammonia
Chapter: [8.2] Ammonia
Concept: undefined >> undefined

When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide, giving an inky blue solution. What is the cation [positive ion] present in solution B? what is the probable colour of solution B?

[8.2] Ammonia
Chapter: [8.2] Ammonia
Concept: undefined >> undefined

Q. 24

[8.2] Ammonia
Chapter: [8.2] Ammonia
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Why is water not added to concentrated H2SO4 in order to dilute it?

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give two balanced reactions of the type to show the following property of sulphuric acid:

Acidic nature

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give two balanced reactions of the type to show the following property of sulphuric acid:

Oxidising agent

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give two balanced reactions of the type to show the following property of sulphuric acid:

Non-volatile nature

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Name the products formed when hot and concentrated sulphuric acid reacts with Copper.

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Why is concentrated sulphuric acid kept in air tight bottles?

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined

Why is H2SO4 is not used as a drying agent for H2S?

[8.4] Sulphuric Acid
Chapter: [8.4] Sulphuric Acid
Concept: undefined >> undefined
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