MEDIUM
10th ICSE
IMPORTANT
Earn 100

Write two uses of sulphuric acid.

Important Questions on Study of Compounds

MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 1
A greenish yellow coloured gas is produced when hydrochloric acid reacts with _____.
MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 2

During the laboratory preparation of HCl gas, conc.H2SO4 is used as _____ agent.

MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 3

Sometimes, a sticky mass of _____ is formed during the laboratory preparation of HCl gas.

EASY
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 4
Ammonia dissolves in water to give _____. (ammonium hydroxide/ ammonium nitrate)
EASY
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 5
_____ colour precipitate is formed when ammonium hydroxide is added to ferrous sulphate. (Dirty white/ Dirty green)
EASY
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 6
Ammonia acts as a _____ agent. (reducing/oxidising)
MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 7
Ammonia burns in oxygen with _____ flame. ( brown, red, yellowish-green)
MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 8 - Study of Compounds>CHAPTER EXERCISE>Q 8
Industrial preparation of ammonia is done by (i) _____ process. When a mixture of dry nitrogen and dry (ii) _____ in the ratio (iii) _____ by volume is made to combine under suitable conditions. Optimum temperature of (iv) _____. Catalyst i. e., finely divided (v) _____ is mixed with (vi) _____ as promoter. Pressure should be as (vii) _____ as possible i.e., between (viii) _____ atm to (ix) _____ ­­­­atm.