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Chemistry 1488 MCQs [All-Courses]

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Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

A 60%

B 50%

C 52%

D 8%

Review Detailed Answer

Correct Answer: 52%

What is the Chemical formula of Zinc Hydroxide _________ ?

A Zn(OH)2

B ZNO2

C Zn2(OH)3

D ZnOH

Review Detailed Answer

Correct Answer: Zn(OH)2

Formula of haloform is_________________?

A HCOX

B CX4

C CHX3

D CH3X

Review Detailed Answer

Correct Answer: CHX3

The valency of carbon Atom is __________ ?

A 1

B 2

C 3

D 4

Review Detailed Answer

Correct Answer: 4

Formaldehyde and lactose are combined to produce throat lozenges named as__________________?

A formamint

B lactomint

C aldomint

D formalactose

Review Detailed Answer

Correct Answer: formamint

Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

A Graham’s Law

B Gay-Lussac’s law

C Boyle’s law

D None of these

Review Detailed Answer

Correct Answer: Graham’s Law

Which of the following do not give aldol condensation reactions ?

A formaldehyde

B acetaldehyde

C diemthyl ketone

D propionaldehyde

Review Detailed Answer

Correct Answer: formaldehyde

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

A Charles’ Law

B Avogadro’s Law

C Graham’s Law

D Boyle’s law

Review Detailed Answer

Correct Answer: Charles’ Law

Which of the following reagents will react with both aldehydes and ketones ?

A Grignard reagent

B Tollens reagent

C Fehlings reagent

D Benedicts reagent

Review Detailed Answer

Correct Answer: Grignard reagent

Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?

A Boyle’s law

B Charles’ law

C Gay-Lussac’s law

D Avogadro’s law

Review Detailed Answer

Correct Answer: Avogadro’s law

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

What is the Chemical formula of Zinc Hydroxide _________ ?

Formula of haloform is_________________?

The valency of carbon Atom is __________ ?

Formaldehyde and lactose are combined to produce throat lozenges named as__________________?

Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

Which of the following do not give aldol condensation reactions ?

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

Which of the following reagents will react with both aldehydes and ketones ?

Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?