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Chemistry

Chemistry
Brass is a solution of molten copper in

Molten tin
Molten zinc
Solid zinc
Gaseous zinc

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Chemistry
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

None of these
Eutrophication
Green house effect
Smog

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Chemistry
The charcoal used to decolourise brown sugar solution is

Animal charcoal
Wood charcoal
Coconut charcoal
Sugar charcoal

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Chemistry
Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure

Barium
Magnesium
Lead
Bromine

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Chemistry
The heat required to raise the temperature of body by 1 K is called

specific heat
thermal capacity
water equivalent
None of these

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Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Aluminium
Copper
Zinc
Iron

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MORE MCQ ON Chemistry

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