Advertisements
Advertisements
प्रश्न
Give an example of the following chemical changes.
A reaction involving blue solution.
उत्तर
\[\ce{\underset{[iron]}{Fe} + \underset{[blue solution]}{CuSO4_{(aq)}} ->\underset{[green solution]}{FeSO4} + \underset{(brown/red deposit)}{\underset{[copper]}{Cu}}}\]
APPEARS IN
संबंधित प्रश्न
Name a nitrate which produces oxygen as the only gas.
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
State which type of chemical reaction proceeds with evolution of heat energy.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases combine to give a basic gas.
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
Give an example of an endothermic reaction.
Complete the statement by filling in the blank with the correct word:
The reaction of hydrogen burning in oxygen to give a neutral liquid is an example of ________ reaction.
Mention any two exothermic reactions.
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.
