Question

(i)Which is the only liquid material?
(ii)Chlorine is very reactive metal.State true or false
(iii)Mostly non-metals do not conduct electricity but one non-metal can.What is its name?
(iv)What happens when sulphur react with the hydrochloric acid?
(v)What do you mean by displacement reaction?

Answer 1

1) Mercury.
2) False. It's non metal.
3) Graphite.
4) S + HCL ---> H2Cl
4) In this reaction a less reactive metal is displaced by more reactive metal.