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Fill in the blank spaces by choosing the correct words from the list given below: List: liquid, hydrogen sulphide, exothermic, yellow, dirty green 1. When quick lime is placed in water an reaction takes place and the reaction mixture gets very hot. 2. When red hot coke (solid state), reacts with sulphur vapour the product, carbon disulphide is in 3. Ferrous sulphate solution reacts with sodium hydroxide solution to form a hydroxide. 4. Lead nitrate crystals on heating strongly leave behind a solid residue, which is in 5. When copper sulphide is treated with hydrochloric acid it gives off a gas state. precipitate of ferrous colour. which has a foul smell. ​

Answer :

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Answer:

When quick lime is placed in water an …exothermic… reaction takes and the reaction mixture gets very hot.

When red hot coke (solid state), reacts with sulphur vapour the product, carbon disulphide is in …liquid… state.

Ferrous sulphate solution reacts with sodium hydroxide solution to form a …hydrogen sulphide.. precipitate of ferrous hydroxide.

Lead nitrate crystals on heating strongly leave behind a solid residue, which is in …yellow… colour.

When copper sulphide is treated hydrochloric acid it gives off a …dirty green…which has a foul smell.

Explanation:

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Answer:

1)exothermic reaction

2)liquid state

3)hydrogen sulphide

4)yellow colour

5)dirty green

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