Locally produced soap in which wood ash is used as the base is usually soft because the wood ash contains a lot of

Why is potassium fluoride added to the electrolyte in the extraction of sodium from fused sodium chloride?

The rate of the hydrogen in the reaction Zn_(s) + 2HCI _(aq) → ZnCI _2(g) + H _2(aq) + H _2(g) can be increased by

Octane number is highest in petrol containing a high proportion of

Given the following half-cell reaction; 2Cl_(aq) → CI_2(g) + 2e, how many mole of electrons will be required to produce 1.12dm³ of chlorine gas at s.t.p? (Molar volume of a gas at s.t.p. = 22.4dm ³)