Question

Weight of metal is increased by 50% when it is heated
in air. Calculate the wt. of metal required for liberation
of 112 ml of H,(g), at NTP from dilute acid, if atomic
mass of metal is 48u then what will the formula of it's
oxide and what will be equivalent mass of its oxide​

Answer 1

Answer:

when we heated the metal in air it make some very small crystal