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Chemistry

Chemistry
Quartz is a crystalline form of

Limestone
Alumina
Silica
Glass

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Chemistry
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

Nitrogen
Helium
Hydrogen
Methane

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Chemistry
Food cans are coated with tin and not with zinc because

Zinc is more reactive than tin
Zinc has a higher melting point than tin
Zinc is less reactive than tin
Zinc is costlier than tin

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Chemistry
Chemically ‘Quick Silver is known as

Silver
Copper
Aluminium
Mercury

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Chemistry
Magnalium is an alloy of

Manganese and Magnesium
Aluminium and Zinc
Magnesium and Tin
Aluminium and Magnesium

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pb
Cu
Pt
Ni

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MORE MCQ ON Chemistry

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