Define the Following Term : Hygroscopic Substance

Define the following term : Hygroscopic substance

Definition

Hygroscopic substance : The compound which absorbs water vapour from the atmosphere.

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Chapter 11: Study of Compounds: Sulphuric Acid - Exercises [Page 243]

Chapter 11 Study of Compounds: Sulphuric Acid
Exercises | Q 6. (b) | Page 243

The acid which is used in the preparation of a volatile acid

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

Non-volatile nature

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

What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.

Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.

How will you distinguish between dilute H₂SO₄ and conc. H₂SO₄ ?

State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.

State one appropriate observation of the following:

Dehydration of concentrated sulphuric acid with sugar crystals.

Distinguish between the following pair of compounds using the test given with brackets:

Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)

Write a balanced equation for the following conversion:

Lead sulphate from lead nitrate and sulphuric acid.