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7th ICSE
IMPORTANT
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Write balance equation for the following.

Methane burns in oxygen to form carbon dioxide and water

Important Questions on Language of Chemistry

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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>Test Your Understanding>Q 2

Write balanced equation for the following:

Reaction of hydrogen and chlorine to form hydrogen chloride

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>Test Your Understanding>Q 3

Translate the following statements into chemical equations and then balance the equations.

Sodium metal reacts with water to give sodium hydroxide and hydrogen gas.

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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 1
One of the following does not happen during a chemical reaction. This is:
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 2
Which of the following does not involve a chemical reaction?
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 3
You are given the solution of lead acetate. In order to obtain a yellow precipitate you should mix with it a solution of:
 
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 4
An acid which can decolourise purple-coloured potassium permanganate solution is:
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 5
The chemical reaction between quicklime and water is characterised by 
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 6
Which of the following is formed on heating magnesium ribbon?