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Chemistry

Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

formality
molarity
molality
normality

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Chemistry
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium

A, B, C, D and E
A, C and E
B, D and E
A and C

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Chemistry
Chemical name of vinegar is

Acetone
Ethanol
Formaldehyde
Acetic acid

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Chemistry
The main component of liquid bleach is:

Sodium hypochlorite
Sodium chloride
Sodium hypochlorate
Hydrochloric acid

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Chemistry
Which gas is most stable at room temperature

F2
N2
O2
H2

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Chemistry
In drinking water supply, which of the following treatments is not involved

Sedimentation
Softening
Coagulation
Disinfection

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