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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Sullage
Sanitary waste
Garbage
Industrial waste

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Chemistry
The heat value of combustion of Gasoline is

12600 kJ/kg
14600 kJ/kg
39400 kJ/kg
47000 kJ/kg

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Chemistry
Solder is an alloy of

Sodium, lead
Tin, lead
Copper, lead
Lead, zinc

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Chemistry
Freon' used as refrigerants is chemically

Fluorinated aromatic compound
Chlorofluoro hydrocarbon
Chlorinated hydrocarbon
Fluorinated hydrocarbon

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Coagulation
Emulsification
Adsorption
Absorption

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Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
NO2injury
SO2injury
HF injury

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MORE MCQ ON Chemistry

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