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
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
Water gets decomposed when heated above 100 °C.
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
Decomposition reactions are used to extract some metals from their oxides.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
Chlorine cannot displace bromine from sodium bromide.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
The removal of hydrogen from a compound is called reduction.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
In the reaction CuO+H2→Cu+H2O, cupric oxide (CuO) is getting reduced to Cu.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
A substance can burn at any temperature below its ignition temperature.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q IV
Food materials can be protected from being rancid by keeping them in refrigerators.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q V

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

2PbO(s)+C(s)→2Pb(s)+CO2(g)