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Chemistry

Chemistry
In a Carbonyl group a carbon atom makes double bond with

Carbon
None of these
Hydrogen
Oxygen

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Chemistry
Percentage of carbon in steel ranges from

3.0 to 4.0
0.1 to 1.5
1.5 to 3.0
4.0 to 6.0

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Chemistry
Chemical properties of isotopes

Must be different
Need not be same
Must be same
Need not be different

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

Protein
An alkane
Fat
Glucose

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Chemistry
How many electrons in a Hydrogen atom

One
Four
Three
Two

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Chemistry
One property of ammonia is

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

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