Most Important and sureshot questions in Chemistry Class 10 ICSE with answers

Most Repeated questions in Chemistry ICSE BOARD EXAMINATION from Study of Compounds.

Sureshot questions from Study of Compounds - Hydrogen chloride, Ammonia, Nitric acid and Sulphuric acid with solutions.

In Chemistry exam there will be around 60-80% of the questions will repeat every year. So it will be helpful to the students if they practice the questions which appear in the question papers every year.

Write balanced equations for the following preparations and mention the conditions where ever it is required.

1.      Hydrogen chloride gas from a non-volatile acid

2.      Hydrogen gas from dilute hydrochloric acid

3.      Iron(II) chloride from Iron

4.      Chlorine gas from Hydrogen chloride gas

5.      A white precipitate which dissolves in Ammonium hydroxide

6.      Ammonia gas from nitrogen gas

7.      Sulphuric acid by oxidation of Sulphur using a concentrated acid

8.      Oxygen gas from a thermal decomposition reaction

9.      Copper sulphate from Sulphuric acid

10.  A black metal oxide by the thermal decomposition of a metal nitrate

11.  Oxidation of Carbon using a volatile acid

12.  Carbon from Glucose

13.  Nitrogen gas from Ammonia gas

14.  Nitric oxide from Ammonia gas

15.  Sulphur dioxide from a dilute acid

16.  Carbon dioxide from a metal carbonate

17.  A gas with rotten egg smell from a dilute acid

18.  A reddish brown gas using a metal.

19.  Nitrogen trichloride from ammonia gas

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