Advertisements
Advertisements
Question
Mention any two exothermic reactions.
Advertisements
Solution
Burning of magnesium ribbon and burning of a candle.
APPEARS IN
RELATED QUESTIONS
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Heat energy is evolved in these reactions
- Thermal decomposition reactions
- Exothermic reactions
- Endothermic reactions
- None of these
Why energy is involved in a chemical change?
State the effects of endothermic and exothermic reactions on the surroundings.
What do you observe? When
Lead nitrate is heated.
State which type of chemical reaction proceeds with evolution of heat energy.
State which type of chemical reaction proceeds with the absorption of heat energy.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases combine to give a basic gas.
Differentiate between the following:
A catalyst and a promoter.
Select the correct answer from the options given below:
State the gaseous product formed, when
Two gases one of them neutral combines by absorption of light energy.
The Dissolution of glucose in water is also an ______ change.
