Question

(a)Identify the oxidizing agent and reducing agent in the following reaction: 5 H2S(g)+Cl2(g)→2HCl(g)+S(s)
(b)Define Rancidity.
(c)A white coloured salt kept in sunlight turns grey and a colourless gas is released. Write the balanced equation. What is the type of equation and give one use of this white salt.
(d)Why does copper acquire a blue-green coating on its surface on exposure to air?

Answer 1

I can't understand your question

Explanation:

standard from which standard