According to Charles' law, the volume of a gas becomes zero at
A substance that is used as a ripening agent for fruits is
The Sulphide which is insoluble in dilute hydrochloric acid is
What is the PH of 0.00 1 moldm\(^3\) solution of the sodium hydroxide
The type of bonding in [Cu(NH\(_3\))\(^4\)]\(^{2+}\) is
