(English Medium) ICSE Class 10 - CISCE Important Questions

How will you distinguished between dilute HCl and dilute H₂SO₄ using lead nitrate solution?

State the following:

The drying agent used in the laboratory preparation of HCl gas.

Write a balanced equation for the following conversion:

Sodium chloride from sodium sulphite and dilute hydrochloric acid.

Identify the terms for the following:

A method used to collect HCl gas.

Distinguish between the following:

Dilute HCl and dilute HNO₃ [using silver nitrate solution]

Differentiate between the following pair based on the criteria given in the bracket:

Sulphuric acid and hydrochloric acid [type of salts formed]

Convert the following reaction into a balanced chemical equation:

Ferrous sulphide to hydrogen sulphide using hydrochloric acid.

The following table is related to an industrial process of an acid.

Identify (a), (b) and (c).

Assertion (A): Dry hydrogen chloride gas is collected by the upward displacement of air.

Reason (R): Hydrogen chloride gas is lighter than air.

The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.

______ does not form an acid salt.

Write a balanced chemical equation for the following:

Reaction of Ammonia with heated copper oxide.

State one relevant observation for given reactions:

Burning of ammonia in air.

Give a balanced chemical equation for Catalytic oxidation of Ammonia

Give a balanced chemical equation for Reaction of Ammonia with Nitric acid

The equation 4NH₃ + 5O₂ → 4NO + 6 H₂O, represents the catalytic oxidation of ammonia. If 100 cm³ of ammonia is used calculate the volume of oxygen required to oxidize the ammonia completely

Write balanced chemical equations for the following:

When the excess of ammonia is treated with chlorine.

Write balanced chemical equations for the following:

An equation to illustrate the reducing nature of ammonia.

Identify the cations in the following case :

NH₄OH Solution, when added to the Solution (B), gives white ppt which does not dissolve in excess.

Identify the cations in the following case:

NaOH Solution, when added to Solution (C), gives white ppt which is insoluble in excess