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

Name the chemical in which gold can be dissolved.

Name the experiment which demonstrates that hydrogen chloride is soluble in water.

Give reason for the following:
silver nitrate solution can be used to distinguish HCl from HNO₃

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCl -> }\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NaHSO3 + HCl ->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{Pb(NO3)2 + HCl ->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{Pb3O4 + HCl ->}\]

Complete the following reaction and balance them.
Zn+ 2HCl ⟶

Take an element from an alkali metal and one from an alkaline earth metal and write an equation  for their action with:

Hydrochloric acid,

Complete the following reaction and balance them.
Ca(HCO₃)₂ + 2HCl →

Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Oxygen

Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Sulphuric acid

Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Water.

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Write the balanced equation for the reaction between ammonia and sulphuric acid.

Pick the odd member from the list, giving reasons:

Pick the odd member from the list, giving reasons:

The following reactions are carried out:

A: \[\ce{Nitrogen + metal -> compound X}\]

B: \[\ce{X + water -> ammonia + another compound}\]

C: \[\ce{Ammonia + metal oxide -> metal + water + N2}\]

One metal that can be used for reaction A is magnesium.

1. Write the formula of the compound X formed.
2. Write the correctly balanced equation for reaction B where X is the compound formed.
3. What property of ammonia is demonstrated by reaction C?

How do you prove that NH₃ contains nitrogen and hydrogen?

Copy and complete the following equations:

1. \[\ce{AlN + H2O ->}\]
2. \[\ce{2NH3 + 3PbO ->}\]
3. \[\ce{NH3 + 3Cl2 ->}\]
4. \[\ce{NH3 + CO2 ->}\]

1. 1. Which property of ammonia is illustrated by equation (c)?
   2. What important fertiliser is prepared from equation (d)? State the conditions.