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Chemistry

Chemistry
The process which does not evolve CO2 in air is

Breathing
Burning
Photosynthesis
Organic delay

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Chemistry
If there is one million Mg2+ ions in MgCl2, how many chloride ions are there?

Two million
Half a million
Ten million
One million

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

314
88
138
50

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Chemistry
Haloarenes are more stable than haloalkanes due to

Hyper conjugative effect
Inductive effect
All of them
Resonance effect

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Chemistry
Which of the following is not a noble gas ?

Helium
Argon
Hydrogen
Neon

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Chemistry
Which method will be employed to test the hardness of water?

Distillation
None of these
Boiling
Formation of lather with soap

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