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Chemistry

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

None of these
Hydrogen
Oxygen
Carbon

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Chemistry
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

p-electrons in CI(Z = 17)
d-electrons in Fe(Z = 26)
s-electrons in Mg(Z = 12)
p-electrons in Ne(Z = 10)

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Chemistry
"Paramagnetism" is the property of

Completely vacant electronic subshells
Completely filled electronics subshells
Unpaired electrons
Paired electrons

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Chemistry
The laws of electrolysis are given by

Ostwald
Lewis
Faraday
Arrhenius

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Chemistry
Carbon footprint can be reduced by

Using energy efficient appliances
Commuting by public transport
All of these
Recycling waste materials

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Chemistry
A mixture of water and alcohol can be separated by

Evaporation
Filtration
Decantation
Distillation

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MORE MCQ ON Chemistry

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