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Chemistry

Chemistry
Iron is extracted from

Cinnabar
Haematite
Dolomite
Bauxite

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Chemistry
The inexpensive and commonly used variety of glass is called soda glass.

is made using soda lime
was used initially for making bottles of soda(carbonated drink)
was initially used for storing sodium carbonate
is made using soda(sodium carbonate)

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Chemistry
The most electronegative element among the following is

oxygen
fluorine
bromine
sodium

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Chemistry
Depletion of ozone layer causes

Blood cancer
Skin cancer
Breast cancer
Lung cancer

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Chemistry
The gas used for artificial ripening of green fruit is

ethylene
carbon dioxide
acetylene
ethane

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Chemistry
Sweat contains water and ________

Salt
Citric acid
Lactic acid
Vinegar

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MORE MCQ ON Chemistry

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