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Chemistry

Chemistry
Stalactites and Stalagmites form due to the precipitation of :

MgCO3
MgCl2
CaCl2
CaCO3

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Isobaric system
Open system
Isothermal system
Closed system

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Chemistry
Which one is a naturally occuring noble gas

Potassium
Boron
Sodium
Argon

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Chemistry
Cyanide poisoning causes death in seconds because

It breaks the electron transport chain
It causes Lysis of red blood cells
It denatures enzymes of the heart/muscle
It causes cardiac arrest

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Chemistry
‘Aerosol’ is known as

Suspended solid particles in air
Green house gas present in air
Pollutant gas, present in air
Microbes, present in air

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Chemistry
Milk is

Foam
Gel
Suspension
Emulsion

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MORE MCQ ON Chemistry

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