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Chemistry

Chemistry
L.P.G. is mostly liquefied

Hydrogen
Butane
Methane
Oxygen

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Chemistry
The antiparticle of an electron is

Alpha particles
Proton
Beta particles
Positron

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Chemistry
Most commonly used bleaching agent is

Alcohol
Chlorine
Carbon dioxide
Sodium chloride

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Chemistry
The orientation of an atomic orbital is governed by

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

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Chemistry
Extensively used nitrogenous fertilizer is

Nitro-lime
Ammonium nitrate
Urea
Ammonium sulphate

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

1 : 16 : 2
1 : 1 : 1
2 : 16 : 1
2 : 16 : 2

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