MCQsDrive | MCQsDrive

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 of the following reactions may be assoclated with aldehyde and ketone ?

A nucleophile addition

B polymerization

C oxidation

D all of the above

Review Detailed Answer

Correct Answer: all of the above

Which of the following noble gases is abundant in air?

A Neon

B Helium

C Argon

D Methane

Review Detailed Answer

Correct Answer: Argon

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

A electronphilic addition

B electrophilic substitution

C nucleophilic addition

D nucleophilic substitution

Review Detailed Answer

Correct Answer: nucleophilic addition

The bond energy of Hydrogen molecule is__________?

A 110Kcal/mol

B 106Kcal/mol

C 104Kcal/mol

D 150KJcal/mol

Review Detailed Answer

Correct Answer: 104Kcal/mol

The Ionization energy of Hydrogen is __________?

A 10.54ev

B 12.54ev

C 13.6ev

D 17.56ev

Review Detailed Answer

Correct Answer: 13.6ev

The Electronegativity of Hydrogen is _____.

A 2.8

B 2.2

C 3.1

D 1.8

Review Detailed Answer

Correct Answer: 2.2

The whole universe is made up of almost _______of Hydrogen?

A 50%

B 60%

C 70%

D 80%

Review Detailed Answer

Correct Answer: 70%

During Electrolysis of Water the product @cathode obtained is ___________?

A Hydrogen Gas & Water

B Oxygen Gas & Water

C CO & Water

D Hydrogen & Carbon monoxide

Review Detailed Answer

Correct Answer: Hydrogen Gas & Water

The method in which more steam is passed through the water Gas to oxidize CO to Carbon Dioxide which is then more soluble in water than Hydrogen gas and gets separated is called______.

A liquification process

B Bosch Process

C Fragmentation

D Thermal decomposition

Review Detailed Answer

Correct Answer: Bosch Process

Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

A Hydrogen Gas

B Carbon Monoxide Gas

C Both at same time

D None of them

Review Detailed Answer

Correct Answer: None of them

Showing 1191 to 1200 of 1488 results

Contact Info

Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Which of the following reactions may be assoclated with aldehyde and ketone ?

Which of the following noble gases is abundant in air?

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

The bond energy of Hydrogen molecule is__________?

The Ionization energy of Hydrogen is __________?

The Electronegativity of Hydrogen is _____.

The whole universe is made up of almost _______of Hydrogen?

During Electrolysis of Water the product @cathode obtained is ___________?

The method in which more steam is passed through the water Gas to oxidize CO to Carbon Dioxide which is then more soluble in water than Hydrogen gas and gets separated is called______.

Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?