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Chemistry

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1511 MCQs

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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.

A 2.8

B 2.2

C 3.1

D 1.8

A 50%

B 60%

C 70%

D 80%

A Hydrogen Gas & Water

B Oxygen Gas & Water

C CO & Water

D Hydrogen & Carbon monoxide

A liquification process

B Bosch Process

C Fragmentation

D Thermal decomposition

A Hydrogen Gas

B Carbon Monoxide Gas

C Both at same time

D None of them

A Pt

B FeO

C Cr²O³

D Both B&C

A Reduction

B Oxidation

C Isomerization

D Crackling

A Bosch Process

B Cyber Twinkling process

C Palladium process

D Steam process

A 500⁰C

B 700⁰C

C 900⁰C

D 1300⁰C

A infra red

B visible

C x-ray

D ultra violet

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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__?

In Bosch Process, that is used to separate the Hydrogen gas from water Gas, the catalyst is used ______?

Bosch Process involves _______?

Which of the following method is used to separate Hydrogen gas from water Gas?

Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____

Which one of the following radiation has the longer wavelength?