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Chemistry

Chemistry
Cinnabar is an ore/mineral of

Lead
Molybdenum
Mercury
Manganese

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Chemistry
Which colour is produce by Arsenic during flame test

Green
Blue
Crimson
Red

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

2J
4J
Infinity

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

West Bengal coast
Gujarat coast
Travancore coast
Orissa coast

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Chemistry
The monomers of dacron are

Decanone and decanol
Decane and decanol
Ethylene glycol and terephthalic acid
Ethylene glygol and phthalic acid

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Chemistry
Glycol is added to aviation gasoline because it

Prevents freezing of petrol
Reduces evaporation of petrol
Reduces consumption of petrol
Increases efficiency of petrol

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