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

Identify the anion present in the following compounds:

A salt D on treatment with dilute sulphuric acid produces a gas which turns lime water milky but has no effect on acidified potassium dichromate solution

Identify the anion present in the following compounds:
When barium chloride solution is added to salt solution E a white precipitate insoluble in dilute hydrochloric acid is obtained.

Give balanced chemical equations for the action of sulphuric acid on the following:

Potassium hydrogen carbonate.

Give balanced chemical equations for the action of sulphuric acid on the following:

Sulphur

In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.

From the list of the following salts choose the salt that most appropriately fits the description is given in the following:

[AgCl, MgCl₂, NaHSO₄, PbCO₃, ZnCO₃, KNO₃, Ca(NO₃)₂]

An insoluble chloride.

Quicklime is not used to dry HCl gas because _____.

Ammonia gas is collected by ______.

Distinguish between the given pair of compounds using the test given within brackets:

Iron (II) sulphate and iron (III) sulphate (using ammonium hydroxide)

Distinguish between the given pair of compounds using the test given within brackets:

Sodium nitrate and sodium sulphite (using dilute sulphuric acid).

Distinguish between the given pairs of compounds using the test given within brackets:

Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)

Write a balanced chemical equation for the following reaction:

Ammonium chloride reacts with calcium hydroxide.

Study the figure given below and answer the questions which follow:

1. Identify the gas Y.
2. What property of gas Y does this experiment demonstrate?
3. Name another gas which has the same property and can be demonstrated through this experiment.

Name the other ion formed when ammonia dissolves in water.

State the conditions required for the given reaction to take place:

Any two conditions for the conversion of sulphur dioxide to sulphur trioxide.

Draw the structure of the stable positive ion formed when an acid dissolves in water.

State the inference drawn from the following observations:

Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.

Give one equation to show the following properties of sulphuric acid:

Dehydrating property

Give one equation to show the following properties of sulphuric acid:

Acidic nature

Give one equation to show the following properties of sulphuric acid:

As a non-volatile acid