MEDIUM
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

MEDIUM
7th ICSE
IMPORTANT

Write balanced equation for the following:

Reaction of hydrogen and chlorine to form hydrogen chloride

MEDIUM
7th ICSE
IMPORTANT

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

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

MEDIUM
7th ICSE
IMPORTANT
One of the following does not happen during a chemical reaction. This is:
MEDIUM
7th ICSE
IMPORTANT
Which of the following does not involve a chemical reaction?
EASY
7th ICSE
IMPORTANT
You are given the solution of lead acetate. In order to obtain a yellow precipitate you should mix with it a solution of:
 
MEDIUM
7th ICSE
IMPORTANT
An acid which can decolourise purple-coloured potassium permanganate solution is:
MEDIUM
7th ICSE
IMPORTANT
The chemical reaction between quicklime and water is characterised by 
EASY
7th ICSE
IMPORTANT
Which of the following is formed on heating magnesium ribbon?