Exercise: General Science

Questions for: General Science

Tetraethyl lead is used as
A:
pain killer
B:
fire extinguisher
C:
mosquito repellent
D:
petrol additive
Answer: D
No answer description is available. Let's discuss.
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The variety of coal in which the deposit contains recognisable traces of the original plant material is
A:
bitumen
B:
anthracite
C:
lignite
D:
peat
Answer: D
No answer description is available. Let's discuss.
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The hardest substance available on earth is
A:
Gold
B:
Iron
C:
Diamond
D:
Platinum
Answer: C
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Bromine is a
A:
black solid
B:
red liquid
C:
colourless gas
D:
highly inflammable gas
Answer: B
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Which of the gas is not known as green house gas?
A:
Methane
B:
Nitrous oxide
C:
Carbon dioxide
D:
Hydrogen
Answer: D

In order, the most abundant greenhouse gases in Earth's atmosphere are:

* water vapor
* carbon dioxide
* methane
* nitrous oxide
* ozone
* chlorofluorocarbons

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