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World Geography

World Geography
In which Epoch did the Homo Sapiens evolve?

Eocene
Miocene
Pleistocene
Oligocene

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The Homo sapiens evolved in the chibanian age of the Pleistocene epoch

World Geography
The main percentage of the volume of water in the hydrosphere is in

oceans and seas
groundwaters, rivers and streams
freshwater lakes and water vapours
glaciers and ice sheets

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World Geography
The reaction is carbonate and bicarbonate ions with mineral is called

oxidation
solution
carbonation
hydrolysis

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World Geography
The mica belt of the Himalayas, the major part of it is situated in

Bihar
West Bengal
Rajasthan
Andhra Pradesh

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World Geography
The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____

SO3
SO
SO4
SO2

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World Geography
Which of the following is world’s largest producer of Aluminum smelter?

India
USA
Australia
China

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

China is the world’s largest producer of Aluminum smelter. Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process.

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