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Chemistry

Chemistry
Which is a natural colloid ?

Urea
Sodium chloride
Blood
Cane-sugar

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Chemistry
The inherited traits of an organism are controlled by

nucleotides
RNA molecules
DNA molecules
enzymes

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Chemistry
Silicon is a

Semiconductor
Conductor
Insulator
Nonconductor

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Chemistry
What material is used to make electric heater coil ?

Silver
Nichrome
Iron
Copper

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Chemistry
Which one of the following is most acidic

Na2O
CaO
Al22O3
MgO

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

Silver Iodide (Ag I)
Dry Ice (Frozen CO2)
All of these
Sodium Chloride (NaCl)

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MORE MCQ ON Chemistry

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