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White precipitate is formed on reaction between sulphuric acid and barium chloride.

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Important Questions on Language of Chemistry

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 3
The reaction of barium hydroxide with ammonium chloride is an exothermic reaction.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 4
The combustion reaction of candle wax is characterised by a change in state from solid to liquid to gas.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 5
Zinc metal reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 6
In a chemical equation reactants are written on the right side and producs on the left side of the arrow.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 7
Ammonium chloride is heated with a sodium hydroxide solution, and ammonia gas is released, which has a rotten egg smell.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 1
Give an example of a chemical reaction characterised by a change in state.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 2

Give an example of a chemical reaction in which the following changes are involved.

Change in smell

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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 3
Give an example of chemical reaction that is characterized by change in colour.