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

Define an acid salt.

Why common salt gets wet during rainy season?

Write the reactions of SO₂ and oxides of nitrogen which leads to acid rain formation.

Fill in the blank
The word acid comes from latin word acidus meaning _________

Fill in the blank
Vinegar is the source of ________ acid.

Give four examples of preparation of acids by synthesis.

Explain salt hydrolysis. Name two salts which are (a) acidic (b) basic (c) neutral, when dissolved in water.

Choose the correct answer from the options given below
Which of them occurs in solid state?

Choose the correct answer from the options given below:
Benzoic acid is used for/in/as

Choose the correct answer from the options given below:
Which one is the acidic salt?

Define the meaning of the term 'acid salt'.

What is meant by the term weak acid?

Give the name and formula of the acid salt which gives sodium ions and sulphate ions in solution.

Define Acid.

Write the balanced equations for the reaction required to convert insoluble lead (II) oxide into insoluble lead chloride.

If iron reacts with dilute sulphuric acid, what will be the products?

From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO_3, CuSO4.5H₂O, KNO_3, NaCI, NaHSO_4, Pb(NO₃), ZnCO₃, ZnSO₄.7H₂O
(a) An acid salt
(b) An insoluble chloride 
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating

Choosing the correct words given in brackets, complete the sentence given below:
An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.

Choosing the correct words given in brackets, complete the sentence given below:
A(n) ______ (acid/basic) salt is one in which the hydrogen of an acid has been partially replaced by a ______ (metal/non-metal).

Macth the following.