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

What do you understand by amphoteric oxide?

Give two examples of amphoteric hydroxides.

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 coloured ions

Name: Two bases which are not alkalis but dissolve in strong alkalis.

Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

Name the chloride of a metal which is soluble in excess of ammonium hydroxide.

Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.

Name a compound containing zinc in the anion.

Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)₂ / Fe(OH)₃ / Fe(OH)₂].

Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al₂O₃ / Al / Al(OH)₃]

Fill in the blank.
To distinguish soluble  salts of zinc and lead ______ [NaOH / NH₄OH]can be used.

Choose the correct answer from the options given below :
Metal + alkali → salt + _________

What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?

Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:

Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.

Name the main constituent metal in the following alloys:

Duralumin