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Chemistry

Chemistry
Total number of naturally occurring elements

98
62
110
92

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Chemistry
Indane gas is mixture of

Butane and propane
Butane and hydrogen
Methane and oxygen
Butane and oxygen

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Chemistry
Hard water and soft water can be distinguished by using

Liquid soap
Ordinary soap
Detergent
Dilute acid

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Chemistry
Which is known as carbolic acid?

Acetic acid
Phenol
Ethanol
Oxalic acid

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Magnetic quantum number
Spin quantum number
Azimuthal quantum number
Principal quantum number

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Chemistry
Which one of the following is also known as solution ?

A suspension
A heterogeneous mixture
A compound
A homogeneous mixture

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