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Chemistry

Chemistry
Which of the following is not a nucleon?

Positron
Electron
Neutron
Proton

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Chemistry
If water smells bad, then that odour can be removed by adding

Activated carbon
Alum
Deactivated nitrogen
Bleach

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Chemistry
Carborundum is another name of

Silicon carbide
Calcium carbide
Silicon oxide
Calcium oxide

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Orissa coast
Gujarat coast
West Bengal coast
Travancore coast

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Chemistry
Which of the following has least negative electron gain enthalpy

P
F
S
Cl

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Chemistry
The chemical name of quartz is

Calcium oxide
Calcium phosphate
Sodium silicate
Sodium phosphate

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