When water is added to quick lime, the reaction is…………….

Give any two uses of quick lime.

A catalyst added to a reversible reaction.

When 3 is added to a number, the its square gives 100 . Which is the number.

Progress of a chemical reaction and potential energy changes associated with it is plotted as curve. What happens to the activation energy of the substrate, when enzyme is added to the reaction system?

Why ammonia gas is passed over quick lime (CaO)?

On passing CO_2 through clear lime water, it turns milky. What is the reaction in the above case?

Sodium reacts with water. a. Identify the gas evolved in the reaction. b. If two drops of phenolphthalein is added to the water, what will be colour change of the resultant solution? Explain the reason.

When Al is added to KOH solution (1) No action takes place (2) Oxygen gas is evolved (3) Water is produced (4) Hydrogen gas is evolved