set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Select the property that is associated with non-metals.

a) Poor conductor of electricity

b) Low density

c) Low melting point

d) All of the above

Question : 2

Which one of the following metals is liquid at room temperature?

a) Mercury

b) Nickel

c) Lead

d) Tin

Question : 3

Which of the following statement regarding metals is true?

a) Generally most of metals have high melting and boiling points.

b) All metals are solid in nature.

c) Metals can be used to make handle of cooking utensils

d) Gold is used generally to make electrical wires.

Question : 4

Which of the following non-metals has shining lustrous surfaces?

a) Graphite and iodine

b) Iodine and phosphorus

c) Graphite and phosphorus

d) Phosphorus and chlorine

Question : 5

A non metal that catches fire at room temperature is-

a) Sulphur

b) Phosphorus

c) Sodium

d) Fluorine

Question : 6

Which one of the following statements is correct?

a) Calcium carbonate is an ingredient of toothpaste

b) Bordeaux mixture consists of sodium sulphate and lime

c) Liquid sodium is employed as a coolant in nuclear reactors

d) Zinc amalgams are used as a dental filling