Name two gases which chemically combine to form a liquid.

One Line Answer

Hydrogen and oxygen

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Chapter 8 Study of Compounds A. Hydrogen Chloride
EXERCISE-8 | Q 6. (c) | Page 148

Name a chloride which is solube in excess of ammonium hydroxide

Name the chemical in which gold can be dissolved.

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite

Give a balanced equation when dilute hydrochloric acid is added to : Lead (II) sulphide

Give only one suitable chemical test to identify the following gases.
1. Ammonia
2. Sulphur dioxide
3. Hydrogen chloride
4. Chlorine
5. Carbon dioxide
6. Oxygen
7. Hydrogen
Select a basic gas mentioned in Q. (a). How is the basic nature suspected?
Select acidic gases from the gases mentioned in Q. (a). How is the acidic nature suspected?
The two gases A and B are bleaching agents. A is greenish-yellow and bleaches due to its oxidizing property while B is a colourless gas that bleaches due to reduction. Identify A and B?
Which gas turn blue cobalt chloride paper light pink? Give one similarity in the test between
1. Cl₂ and HCl
2. SO₂ and CO₂.

Complete and balance the following reaction; state whether it is dilute or cone. acid is used.

\[\ce{NH_4OH + HCl ->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCl ->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCI->}\]

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.