(A) 0.136 eV
(B) 1.36 eV
(C) 13.6 eV
(D) 0.0136 eV
Author:
Copper alloys with tin to give:
(A) Brass
(B) Bronze
(C) German silver
(D) Zinc
Haematite is an ore of:
(A) copper
(B) lead
(C) iron
(D) zinc
A continuous belt of urban population progressively linking several cities is known as:
(A) Metropolis
(B) Megalopolis
(C) Conurbation
(D) City sprawl
The moat abundant element in sea water is:
(A) Sodium
(B) Chlorine
(C) Magnesium
(D) Sulphur
The world’s largest reserves of petroleum are located in:
(A) The USA
(B) Russia
(C) Saudi Arabia
(D) Kuwait
Limestone changes into __ due to metamorphism.
(A) marble
(B) quartzite
(C) gneiss
(D) schists
Dally weather map showing isobars is an example of:
(A) Choropleth map
(B) Isopleth map
(C) Chorochromatic map
(D) Choroschematic map