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

State one relevant observation for given reactions:

Action of Sodium hydroxide solution on ferrous sulfate solution.

Draw the structural formula for Diethyl ether

A compound of X and Y has the empirical formula XY₂. Its vapor density is equal to its empirical formula weight. Determine its molecular formula.

Write balanced chemical equations to show The behavior of H₂SO₄ as an acid when it reacts with Magnesium

Propane burns in air according to the following equation: 

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

What volume of propane is consumed on using 1000 cm³ of air, considering only 20% of air contains oxygen?

Give a balanced chemical equation for Laboratory preparation of Nitric acid.

Identify the term or substance based on the descriptions given below

Ice like crystals formed on cooling an organic acid sufficiently.

Identify the term or substance based on the descriptions given below:

The property by virtue of which the compound has the same molecular formula but different structural formulae.

Complete the following by selecting the correct option from the choices given:

The metal which does not react with water or dilute H₂SO₄ but reacts with concentrated H₂SO₄ is _________. (Al/Cu/Zn/Fe)

Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper

State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.

State your observations when Dilute Hydrochloric acid is added to Copper carbonate

State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.

The equation for the reaction when compound A is bubbled through bromine dissolved in carbon tetrachloride is as follows:

1) Draw the structure of A.

2) State your observation during this reaction.

A gaseous hydrocarbon contains 82.76% of carbon. Given that its vapor density is 29, find its molecular formula. [C = 12, H = 11]

Name the gas evolved when the following mixtures are heated.

Sodium Nitrite and Ammonium Chloride

State what would you observe when The salt ferric chloride is exposed to the atmosphere

Identify the cations in the following case:

NaOH solution, when added to the Solution (A), gives a reddish brown precipitate

Select from the list the gas that matches the description given in case

[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]

This gas has a characteristic rotten egg smell.

If the empirical formula of a compound is CH and it has a vapor density of 13, find the molecular formula of the compound.