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

what effect does the concentration of [H₃O⁺] ion have on solution?

Do basic solutions also have H⁺_(aq)? Why are they basic?

Write balanced equation to satisfy the following statement:

\[\ce{Acid + Active metal -> Salt + hydrogen}\]

Write balanced equation to satisfy the following statement:

\[\ce{Acid + Base -> Salt + water}\]

Write balanced equation to satisfy the following statement:

\[\ce{Acid + Carbonate or bicarbonate -> Salt + water + Carbon dioxide}\]

Write balanced equation to satisfy the following statement:

\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]

Write balanced equation to satisfy the following statement:

\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]

You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5

Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.

Which solution would be most likely to liberate hydrogen with magnesium powder. Give a word equation for each reaction.

Define an acidic salt.

Define normal salt.

Define a mixed salt.

Give two examples of a normal salt.

Give two examples of an acid salt.

What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:

FeCl₃ 

Write a balanced equation for this reaction.

Give two examples of a mixed salt.

What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:

ZnSO₄

Write a balanced equation for this reaction.

What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:

Pb(NO₃)₂

Write balanced equation for this reaction.

Name the chloride of a metal which is soluble in excess of ammonium hydroxide. Write equation for the same.

Name a chloride which is insoluble in cold water but dissolves in hot water.

Name a chloride which is insoluble.