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General Knowledge - Chemistry

Exercise : Chemistry - Section 1
  • Chemistry - Section 1
11.
The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
helium
ozone
oxygen
methane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The most commonly used bleaching agent is
alcohol
carbon dioxide
chlorine
sodium chlorine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The nucleus of a hydrogen atom consists of
1 proton only
1 proton + 2 neutron
1 neutron only
1 electron only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The heat required to raise the temperature of body by 1 K is called
specific heat
thermal capacity
water equivalent
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The nuclear particles which are assumed to hold the nucleons together are
electrons
positrons
neutrons
mesons
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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