metals, non metals, minerals, ores, properties, uses - Category wise Question and Answer Practice Test with Solutions

Question : 1

Sodium is obtained by the electrolysis of

a) fused sodium chloride

b) an aqueous solution of sodium chloride

c) an aqueous solution of sodium hydroxide

d) fused sodium sulphate

Question : 2 [IAS (Pre) 1994]

Monazite is an ore of

a) Thorium

b) Titanium

c) Zirconium

d) Iron

Question : 3

Horn silver is

a) a carbonate ore of silver

b) an oxide ore of silver

c) a sulphite ore of silver

d) a chloride ore of silver

Question : 4 [NDA]

Which of the following is not a nitrogenous fertilizer?

a) CaCN₂

b) NH₄NO₃

c) Ca(CN)₂

d) Urea

Question : 5 [UP (Pre) 2003]

Mercury is basically used in thermometer devices because its especiality is

a) High liquidity

b) High circulation power

c) High density

d) High specific heat