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Chemistry

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

120 gms
0.12 gms
1.2 gms
12 gms

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Chemistry
Which among the following is a covalent compound ?

Calcium chloride
Magnesium fluoride
Carbon tetrachloride
Sodium chloride

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Chemistry
Bakelite is a co-polymer of Phenol and

Benzaldehyde
Formaldehyde
Acetaldehyde
Cinnaldehyde

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Chemistry
Cyanide poisoning causes death in seconds because

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

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

Magnesium
Lead
Barium
Bromine

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Chemistry
A mixture of water and alcohol can be separated by

Filtration
Decantation
Evaporation
Distillation

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MORE MCQ ON Chemistry

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