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

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

Name the main constituent metal in the following alloy:
Stainless steel

Name the following:
Gas obtained by treating metals with hydrochloric acid.

Name :
Two colourless gases which when mixed produce a white solid.

Name the drying agent used to dry HCl gas.

How is the gas collected and why?

Describe an experiment to prove the following:
HCI gas is heavier than air.

How can you prove that hydrochloric acid contain :
Chlorine?

Choose the correct answer from the options given below: HCl gas can be prepared by direct combination of hydrogen and chlorine gas in presence of

Name two gases which combine chemically to form a solid.

Write a balanced chemical equation for reaction of ammonia with heated copper oxide

How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?