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Chemistry 1488 MCQs [All-Courses]

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

Which one of the following gives the measure of Organic pollution in water?

A COD

B DO

C PH

D Salinity

Review Detailed Answer

Correct Answer: COD

The distribution coefficient is related to:______________?

A Separating factors

B decreasing factors

C Colouring factors

D retardation factors

Review Detailed Answer

Correct Answer: Separating factors

The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?

A 1.5 kilotons

B 20 kilotons

C 25 kilotons

D 30 kilotons

Review Detailed Answer

Correct Answer: 20 kilotons

The usual property of ionic crystal are:_____________?

A Stable

B gaseous form

C Unstable

D Compound forming

Review Detailed Answer

Correct Answer: Compound forming

The main contributor to toxicity of detergent:

A Na-Silicate solution

B Na-sulphate solution

C Na-Chloride solution

D K-Chloride solution

Review Detailed Answer

Correct Answer: Na-Silicate solution

The fundamental way to transfer energy are:_____________?

A pressure and temperature

B pressure and volume

C heat and volume

D heat and work

Review Detailed Answer

Correct Answer: heat and work

Formaldehyde on condensation in the presence of calcium hydroxide: ______________?

A Formose

B Fructose

C Maltose

D Xylose

Review Detailed Answer

Correct Answer: Formose

Lactic acid on oxidation by alkaline potassium permanganate gives:____________?

A Propionic acid

B Cinnamic acid

C Pyruvic acid

D Tartaric acid

Review Detailed Answer

Correct Answer: Pyruvic acid

Shiff’s reagent gives pink color with ____________?

A Acetone

B Acetaldehyde

C Acetic acid

D Methyl acetate

Review Detailed Answer

Correct Answer: Acetaldehyde

Numbers of subatomic particles?

A 2

B 3

C 1

D more than 3

Review Detailed Answer

Correct Answer: 3

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Which one of the following gives the measure of Organic pollution in water?

The distribution coefficient is related to:______________?

The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?

The usual property of ionic crystal are:_____________?

The main contributor to toxicity of detergent:

The fundamental way to transfer energy are:_____________?

Formaldehyde on condensation in the presence of calcium hydroxide: ______________?

Lactic acid on oxidation by alkaline potassium permanganate gives:____________?

Shiff’s reagent gives pink color with ____________?

Numbers of subatomic particles?