EASY
10th CBSE
IMPORTANT
Earn 100

The gas which supports combustion?

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Balance the equation.
Na2CO3(s)+HCl(aq)NaCl(s)+H2O(l)+CO2(g)
MEDIUM
10th CBSE
IMPORTANT

Balance the equation.

C6H12O6(aq) + O2(aq) + H2O(l)  CO2(aq) + H2O(l) + energy

MEDIUM
10th CBSE
IMPORTANT

Balance the equation.

PbNO32s PbOs + NO2g + O2g

EASY
10th CBSE
IMPORTANT

Balance the equation.

PbNO32aq + KIaq  PbI2 s + KNO3aq

EASY
10th CBSE
IMPORTANT
Balance the equation.
FeSO4sFe2O3s+SO2g+SO3g
EASY
10th CBSE
IMPORTANT
Name the decomposition reaction that takes place in our body. (Blood circulation / Dehydration / Digestion)
EASY
10th CBSE
IMPORTANT
Name two antioxidants which are added to fat and oil containing foods to prevent rancidity.
EASY
10th CBSE
IMPORTANT
What type of reaction is involved in the rancidity? (Reduction/ Oxidation)