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Chemistry

Chemistry
Zone refining is used for the purification of

Ag
Cu
Au
Ge

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Chemistry
The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?

6
18
Zero
12

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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
What is a Bakelite ?

Polymer
Solution
Acid
Base

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Chemistry
The cathode of a lead storage battery is made up of

Manganese dioxide
Lead
Zinc
Lead oxide

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Chemistry
The wire of flash bulb is made of:

Silver
Magnesium
Barium
Copper

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MORE MCQ ON Chemistry

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