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Chemistry

Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Sullage
Refuse
Storm water
Domestic sewage

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Chemistry
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

Sodium
Hydrogen
Neon
Nitrogen

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Chemistry
Gold dissolves in

Aqua-regia
Hydrochloric acid
Nitric acid
Acetic acid

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Chemistry
Total number of halogen elements found in the periodic table is

8
13
3
5

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Chemistry
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

Independent
Additives
Antagonism
Synergism

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Chemistry
Atomic number is the number equal to

Protons
None of these
Neutrons
Electrons

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MORE MCQ ON Chemistry

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