Calculate the mass of `CaCO_3` formed when `CO_2` gas is passed into a solution containing 3.7 gm of calcium hydroxide.

When treated with dilute HCl, 0.3 g of magnesium liberate 290 ml of hydrogen at NTP. Calculate the equivalent weight of …

What is the atomic weight of a metal whose specific heat and equivalent weight are 0.057 and 38.21 respectively.

Vapour density of a volatile substance is 4 in comparison to methane. Its molecular weight is:

Calculate the volume of `CO_2` gas formed at STP when 1gm of `CaCO_3` is heated.

A gas 'X' diffuses four times slower than `H_2` gas under similar conditions. Calculate the molecular weight of gas X.

0.383 g of metal on reaction with an acid displace 131 cc of dry `H_2` at STP. The specific heat of metal is o.1. The ex…

2g of an acid when reacted with magnesium gave 2.602g of anhydrous magnesium salt. The equivalent weight of acid is: