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Chemistry

Chemistry
Which of the following is not a derivative of barbituric acid

Veronal
Equanil
Nembutal
Amytal

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Methane
Butane
Ethanol
Hydrogen

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Chemistry
The orientation of an atomic orbital is governed by

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

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Chemistry
Which of the following is not a noble gas ?

Helium
Hydrogen
Argon
Neon

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Chemistry
One property of ammonia is

It is a yellowish gas
It is a odourless gas
It is insoluble in water
Its aqueous solution turns red litmus blue

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Chemistry
An important green-house gas other than methane being produced from the agricultural fields is

Arsine
Ammonia
Sulphur dioxide
Nitrous oxide

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