EASY
10th CBSE
IMPORTANT
Earn 100

Consider the following salts: YCl.

What would be the pH of the solution if in YCl, Y is sodium? Give reason for your answer.

Important Questions on Acids, Bases and Salts

EASY
10th CBSE
IMPORTANT

Consider the following salts: NH4X.

If in salt NH4X, X is nitrate, then its solution will give what colour with universal indicator? Why?

EASY
10th CBSE
IMPORTANT

Consider the following salts:ZCO3 .

What would be the change in colour in blue litmus if ZCO3, is added to it and Z is potassium?

MEDIUM
10th CBSE
IMPORTANT

Few drops of aqueous solution of ammonium chloride are put on a universal indicator paper. The paper turns pink. Study the following table and choose the correct option.

Nature Ammonium chloride is a salt of ... Range of pH
(a) acidic weak acid and strong base less than 7
(b) basic weak acid and strong base more than 7
(c) acidic strong acid and weak base less than 7
(d) basic strong acid and strong base 7
MEDIUM
10th CBSE
IMPORTANT
Two salts 'X' and 'Y' are dissolved in water separately. When phenolphthalein is added to these two solutions, the solution 'X' turns pink and the solution 'Y' does not show any change in colour, therefore 'X' and 'Y' are: 
HARD
10th CBSE
IMPORTANT

A metal 'M' on reacting with dilute acid liberates a gas. The same metal also liberates gas 'G' when reacts with a base. 

(i) Write the name of gas 

(ii) How will you test the presence of this gas? 

(iii) Write chemical equations for the reactions of the metal with an acid and a base.

EASY
10th CBSE
IMPORTANT
A solution turns the colour of turmeric to reddish brown. If the same solution is poured on universal indictor, its colour would change to: 
EASY
10th CBSE
IMPORTANT

There are four solutions A, B, C and D with pH values as follows:

Solution A B C D
pH 2.0 7.0 8.0 12.0

Which solution(s) would liberate hydrogen gas with zinc? 

MEDIUM
10th CBSE
IMPORTANT
What property do acids and bases have in common? Explain it with an example.