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Chemistry

Chemistry
The hottest part of the gas flame is known as

non-luminous zone
dark zone
luminous zone
blue zone

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Chemistry
The fundamental particles present in the nucleus of an atom are

Electron, proton
Neutron, electron
Proton, neutron
Neutron, positron

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

CaBr2
Cal2
CaF2
Cacl2

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Chemistry
Detergents used for cleaning clothes and utensils contain

Bicarbonates
Bismuthates
Sulphonates
Nitrates

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Chemistry
What is the atomic number of mercury

32
80
41
63

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Chemistry
The compound that has the least value for octane number is :

2-methyl heptane
2,2-dimethyl hexane
N-heptane
Iso-octane

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MORE MCQ ON Chemistry

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