Advertisements
Advertisements
Question
What do you observe when ammonium chloride is dissolved in water.
Solution
Dissolution of ammonium chloride in water is an endothemic reaction in which heat energy is absorbed.
APPEARS IN
RELATED QUESTIONS
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
Define endothermic reactions. Give two examples of each.
State the effect of an endothermic reaction.
Identify the endothermic and exothermic reaction.
\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Respiration is a ______ change.
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.