EASY
10th CBSE
IMPORTANT
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A shorthand representation of a chemical reaction is known as the chemical equation.

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Important Questions on Question Bank

EASY
10th CBSE
IMPORTANT
Water gets decomposed when heated above 100 °C.
HARD
10th CBSE
IMPORTANT
Decomposition reactions are used to extract some metals from their oxides.
EASY
10th CBSE
IMPORTANT
Chlorine cannot displace bromine from sodium bromide.
MEDIUM
10th CBSE
IMPORTANT
The removal of hydrogen from a compound is called reduction.
MEDIUM
10th CBSE
IMPORTANT
In the reaction CuO+H2Cu+H2O, cupric oxide (CuO) is getting reduced to Cu.
EASY
10th CBSE
IMPORTANT
A substance can burn at any temperature below its ignition temperature.
EASY
10th CBSE
IMPORTANT
Food materials can be protected from being rancid by keeping them in refrigerators.
MEDIUM
10th CBSE
IMPORTANT

Which of the following statements is (are) correct about the following reaction? 

2PbO(s)+C(s)2Pb(s)+CO2(g)