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

Give the reaction of acid with chlorides. State the conditions under which they react.

Give the reaction of acid with nitrates. State the conditions under which they react.

From the formula listed below, choose one, in the following case, corresponding to the salt having the given description: 

AgCl, CuCO₃, CuSO₄.5H₂O, KNO₃, NaCl, NaHSO₄, Pb(NO₃)₂, ZnCO₃, ZnSO₄.7H₂O.

An acid salt.

Ca(H₂PO₄)₂ is an example of a compound called _______ .

Complete the following table and write one equation for each to justify the statement: 

Write the balanced equation for the preparation of the following compound (as major product) starting from iron and using only one other substance:

Iron (III) chloride

Write a balanced reaction for the following conversions (A, B, C, D)

\[\ce{Fe→[A]FeCl2 →[B]FeCO3→[C]Fe(NO3)2→[D]Fe(OH)2}\]

The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)

Write the equation for the reaction that will take place when this first step is carried out.

The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)

Why is the direct addition of dilute sulphuric acid to Lead carbonate an impractical method of preparing Lead sulphate?

Name the positive ion formed When an acid is dissolved in water.

Write balanced equation reaction of sodium hydroxide solution with iron (III) chloride solution.

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to calcium salt solution and lead salt solution.

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to lead nitrate solution and zinc nitrate solution.

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to copper salt solution and ferrous salt solution.

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to Fe(II) salt solution and Fe(III) salt solution.

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to ferrous nitrate and lead nitrate.

What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.

What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.

24 cc Marsh gas (CH₄) was mixed with 106 cc oxygen and then exploded. On cooling the volume of the mixture became 82 cc, of which, 58 cc was unchanged oxygen. Which law does this experiment support? Explain with calculations.

What volume of oxygen would be required to burn completely 400 ml of acetylene [C₂H₂]? Also calculate the volume of carbon dioxide formed.

\[\ce{2C2H2 + 5H2O -> 4CO2 + 2H2O(l)}\]