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Chemistry

Chemistry
Which of the following metals form an amalgam with other metals ?

Zinc
Mercury
Tin
Lead

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Chemistry
Heavy metals got their name because compared to other atoms they have

Higher atomic radii
Higher densities
Higher atomic numbers
Higher atomic masses

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Chemistry
Spirit in contact with body gives cool sensation because it is :

Transparent
Highly volatile
A good conductor
Liquid

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Chemistry
Which substance is used to retard the setting action of cement?

CaO
Na2O + K2O
Al2O3
CaSO4, 2H2O

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Chemistry
The formula C6H5-CO-CH3 represents

Phenyl acetate
Acetophenone
Acetone
Acetic acid

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Chemistry
Tar roads get damaged if there is

No sloping
Stagnation of water on road
Heavy traffic
No maintenance

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MORE MCQ ON Chemistry

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