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Chemistry

Chemistry
Which one is the most dense liquid from the below

Choloform
None of these
Gasolin
Water

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Chemistry
The metal used for making aircrafts and rockets is

Aluminium
Copper
Lead
Nickel

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Chemistry
How many electrons in a Hydrogen atom

One
Four
Two
Three

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Chemistry
The element with highest first ionisation energy is

Lithium
Hydrogen
Helium
Sodium

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Chemistry
Synthetic detergents are made from

Sodium salt of benzene carboxylic acid
Sodium stearate
Sodium palmitate
Sodium salt of benzene sulphonic acid

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Chemistry
The antiseptic compound present in dettol is

Cresol
Enloroxylenol
Biothional
Iodine

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