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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 Electropositive

B Electronegativity

C Both of these

D Neutral

A 1s2 2s2 2p6 3s2 3p6 3d7

B 1s2 2s2 2p6 3s2 3p6 4s2 4p5

C 1s2 2s2 2p6 3s2 3p5 3d10

D 1s2 2s2 2p6 3s2 3p6 4s23d5

A Nitrates

B Fluorides

C Arsenic

D Mercury

A ease the process of cooking

B increase the taste

C produce small amount of hydrochloric acid required for digestion

D inclease solubility of food particles in water

A Photoelectric emission

B Nuclear fission

C Nuclear fusion

D Thermionic emission

A it becomes very hard

B it reflects most of the heat from the sun

C it has a low specific heat capacity

D it has a high latent heat of fusion

A CAT scans

B X-ray photos

C Ultrasound scans

D Endoscopy

A Uranium

B Deuterium

C Plutonium

D Radium

A Carbon dioxide

B Carbonates absorbed from soil

C Oxides of minerals

D Water

A Radium dating

B Uranium dating

C Carbon dating

D Deuterium dating

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Metal are highly ___________ ?

Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?

Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?

Main use of salt in diet is to : ___________?

The source of the Sun’s energy is the process of ____________?

The snow on the mountains does NOT melt all at once when it is heated by the sun because:

Optic fibres are used in :

The radio-active element used in heart pacemakers is ___________?

Where does the oxygen that keeps us alive come from?

What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ?