Question # 1

Which of the following in soluble in water.

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Organic acids

Glucose

Alcohal

All of them

A saturated solution of sodium chloride is called.

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Brine

Suspension

Colloidal

None of these

Which one of the following is testeless?

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Sucrose

Glucose

Fructose

Starch

Which acid is used an electrolyte in lead storage battery?

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H₂SO₄

HNO₃

HCl

CH₃COOH

The carbon contents in lignite is.

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80%

50%

60%

70%

Which hepatitis is caused by contaminated water?

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Hepatitis A

Hepatitis B

Hepatitis C

Hepatitis D

Which of the following gas is used in warfare?

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Methane

Ethane gas

Mustard gas

None of these

The formula of ozone is.

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O₂

O₃

O

CO

The raw materials for the manufacturing of urea are.

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Ammonia

Carbondioxide

Limestone

a & b

Reactions which have comparable amounts of reactants and products at equilibrium state have:

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very small Kc value

Very large Kc value

Moderate Kc value

None of these

Which disease cause by deficiency of vitamin D?

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Rickets

Anemia in babies

Scurvy

Night blindness

Which of the followings is a disaccharide?

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Glucose

Fructose

Sucrose

Starch

Which salt cause permanent hardness in water is:

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Ca(HCO₃)₂

Mg(HCO₃)₂

CaCl₂

KCl

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