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Chemistry

Chemistry
Nitric acid does not react with

Gold
Zinc
Copper
Iron

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Chemistry
At room temperature, the metal that remains liquid is:

Platinum
Mercury
Lead
Zinc

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Chemistry
Which of the following metals can displace copper from copper sulphate solution ?

Iron
Platinum
Gold
Mercury

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Chemistry
The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of

atomic structure
discovery of elements
metallurgy
periodic table of contents

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Chemistry
Which one is the purest form of carbon

Graphite
Coal
Diamond
Iron

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Chemistry
Soap helps in better cleaning of clothes because

It reduces the surface tension of solution
Soap acts like catalyst
It gives strength to solution
It absorbs the dirt

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