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Chemistry

Chemistry
Which one is the most reactive gaseous element

Bromine
Chlorine
Flourine
Iodine

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Chemistry
The pollutant responsible for ozone holes is ________

SO2
CO2
CO
CFC

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Chemistry
The unit of ionic product of water (Kw) is :

Mol2 let-2
Mol2 let-1
Mol-1 let-1
Mol-1 let-2

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

Phenol + terepineol
O-cresol + terepineol
O-chlorophenoxylenol + terepineol
Chloroxylenol + terepineol

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Chemistry
A detergent is a

Cleansing agent
Catalyst
Soap
Drug

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Chemistry
What particles move around the nucleus of an atom and are negatively charged?

Positrons
Electrons
Neutrons
Protons

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MORE MCQ ON Chemistry

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