EASY
7th ICSE
IMPORTANT
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Decomposition of calcium carbonate is an endothermic reaction.

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Important Questions on Test Paper 2

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 3
The atomicity of bromine is 2.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 4
All non-metals are poor conductors of heat and electricity.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 1
Give one word for the following: method in which iron sheets are dipped in molten tin.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 2
Give one word for the following: positively charged particles in an atom.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 3
Give one word for the following: the other name of silicon carbide.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 4
Give one word for the following: an air pollutant which tarnishes silver objects.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 5
Give one word for the yellow-coloured precipitate formed when potassium iodide and lead acetate solutions are mixed.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 10 - Test Paper 2>Test Paper 2>Q 6
Give one word for the gas used in removing impurities from raw materials in the manufacture of steel.