Chemistry
Identify the following substances :
(a) An alkaline gas which gives dense white fumes with hydrogen chloride.
(b) The gas has an offensive smell like rotten eggs.
(c) A colourless gas which can be used as a bleaching agent.
Practical Chemistry
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Answer
(a) Ammonia
(b) Hydrogen sulphide
(c) Sulphur dioxide
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Related Questions
Assertion (A): If barium nitrate solution is added to sodium sulphate solution, a white precipitate is formed.
Reason (R): Sodium sulphate solution is white in colour.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Match the gases in column I to the identification of the gases mentioned in column II
Column I Column II (a) Hydrogen sulphide A. Turns acidified potassium dichromate solution green (b) Nitric oxide B. Turns lime water milky (c) Carbon dioxide C. Turns reddish brown when it reacts with oxygen (d) Sulphur dioxide D. Turns moist lead acetate paper silvery black Name :
(a) The gas which turns acidified potassium dichromate solution green.
(b) A gas which turns moist lead acetate paper silvery black
From the following list of substances choose those which meet the description given below.
- Ammonium chloride
- Ammonium nitrate
- Chlorine
- Dilute hydrochloric acid
- Iron
- Lead nitrate
- Manganese (IV) oxide
- Silver nitrate
- Sodium nitrate
- Sodium nitrite
- Sulphur
Two compounds whose aqueous solutions give white precipitates with dilute hydrochloric acid.