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

Explain the formation of hydronium ion.

Name the ion that turns blue litmus red.

Name the ion that turns red litmus blue.

How is an acid prepared from a non-metal? Give an equation for it.

How is an acid prepared from a salt? Give an equation for it.

Define in term of ionization an acid.

Define in term of ionization an alkali?

Name the ions furnished by bases in solution.

Name the ions furnished by  a weak alkali.

Name the ions furnished by an acid.

Name

a metallic hydroxide soluble in excess of NH₄OH.

Name a metallic oxide soluble in excess of caustic soda solution.

Name a strong alkali.

Name a weak alkali.

Name two colourless metal ions.

Name two coloured metal ions.

Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.

Name two bases which are not alkalis but dissolves in strong alkalis.

Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.

Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.