Chemistry Past Questions and Answers

If the volume of a given mass of gas at 0^oC is 27.3cm³, what will be the volume of the gas at 10^oC, pressure remaining constant?

Glucose can be obtained from starch by

How many faradays of electricity are required to liberate 9g aluminium? (AI = 27)

When water is dropped on calcium carbide, the gaseous product is an

Mg\(_2\) + 2HCI\(_{(aq)}\) → MgCI\(_{2(g)}\) + H\(_{2(g)}\).
From the equation above what mass of hydrogen would be produced if 12.0 g of magnesium reacted completely with dilute hydrochloric acid? (H = 1, Mg = 24)