Metals and Non-...

Which of the following property is generally not shown by metals (except some metals)?

The ability of metals to be drawn into thin wire is known as

Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

(i) Good thermal conductivity or good heat conduction

(ii) Good conduction of electricity

(iii) Ductility

(iv) High melting point

Which one of the following metals do not react with cold as well as hot water?

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

What happens when calcium is treated with water?

(i) It does not react with water

(ii) It reacts violently with water

(iii) It reacts less violently with water

(iv) Bubbles of hydrogen gas formed stick to the surface of calcium

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

The composition of aqua-regia is

Which of the following are not ionic compounds?

(i) KCl

(ii) HCl

(iii) CCl₄

(iv) NaCl

Which one of the following properties is not generally exhibited by ionic compounds?