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Chemistry

Chemistry
The metal present in vitamin B12 is

Co
Mg
Mo
Fe

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Chemistry
The temperature of oxy-acetylene flame is around

3600°C
2800°C
3200°C
4000°C

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Chemistry
The number of waves in n x 10th Bohr's orbit are

n
n3
n2
n-2

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Chemistry
Baryllium Sulphate is less soluble in water due to

Low inflammable energy
Low Energy of dissociation
Lonic band
High inflammable energy

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Chemistry
Which one of the following is known as the 'brown coal'?

Coke
Anthracite
Lignite
Bituminous

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Chemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

metamerism
positional isomerism
functional group isomerism
chain isomerism

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MORE MCQ ON Chemistry

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