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Chemistry

Chemistry
PH scale ranges from

0 – 7
8 – 14
0 – 14
None

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

Travancore coast
Orissa coast
Gujarat coast
West Bengal coast

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

None of these
Distillation
Formation of lather with soap
Boiling

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Chemistry
The most electropositive elements among the following is

K
Cs
Ca
Na

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Chemistry
The items amenable to detection by soft x-rays are

narcotics
genuine coins from counterfeit coins
lead in bullets
contrabands

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Chemistry
Bleaching powder is prepared by passing :

Oxygen over slaked lime
Carbon dioxide over slaked lime
Chlorine over slaked lime
Chlorine over quick lirne

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MORE MCQ ON Chemistry

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