Advertisements
Advertisements
Question
Mention any two exothermic reactions.
Advertisements
Solution
Burning of magnesium ribbon and burning of a candle.
APPEARS IN
RELATED QUESTIONS
How will you obtain Ammonia from nitrogen.
Also give balanced equations for the reactions
State the effect of an endothermic reaction.
Explain the term with examples.
Endothermic reaction
Why energy is involved in a chemical change?
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Give an example with a balanced equation, of the following reaction:
electrochemical reaction
Classify the following reaction into Exothermic and Endothermic reactions.
Magnesium ribbon when burned in air, it forms magnesium oxide.
Assertion: A drop of petrol when touched with finger gives a chill feeling.
Reason: The above phenomenon is an endothermic one.
Give scientific reasons.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
