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Chemistry

Chemistry
Nylon is a type of

Acrylic
Polyester
Polyamide
Polyolefin

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Chemistry
When cathode rays strike a target of high atomic weight, they give rise to

?-rays
X-rays
? and ? rays
Positive rays

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

0.01
0.05
2
1

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Chemistry
Philosopher’s Wool is

Zinc oxide
Zinc blende
Zinc carbonate
Zinc sulphate

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Chemistry
The metal does not give H2 on treatment with dilute HCL is

Fe
Zn
Ca
Ag

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Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Mercury
Arsenic
Lead
Iron

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MORE MCQ ON Chemistry

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