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

Question : 11 [UPPCS (Pre) 2015]

Bauxite is the ore of

a) Aluminium

b) Copper

c) Iron

d) Gold

Question : 12 [UPPCS (Pre) 2000]

These days yellow lamps are frequently used as street light. Which one of the following is used in these lamps?

a) Neon

b) Hydrogen

c) Sodium

d) Nitrogen

Question : 13 [UPPCS (Pre) 1993]

The chemical name of limestone is

a) Magnesium Chloride

b) Sodium Chloride

c) Calcium Carbonate

d) Sodium Sulphate

Question : 14

Calcination is the process of heating the ore

a) in presence of air

b) in a blast furnace

c) in absence of air

d) none of these

Question : 15 [PSC (Pre) 2013]

Mica is a

a) Bad conductor of both heat and electricity

b) Good conductor of heat and electricity both

c) Good conductor of heat and bad conductor of electricity

d) Bad conductor of heat and good conductor of electricity