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Chemistry 1488 MCQs [All-Courses]

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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.

All Topics  1488

The general formula for alkenes is:______________?

A CnH2n+1
B CnH2n+2
C CnH2n
D CnH2n-2
Correct Answer: CnH2n

Soil pollution is caused by:_________?

A Aerosol
B Ozone
C Acid rain
D PAN
Correct Answer: Acid rain

Nucleus of an atom was discovered by___________?

A Goldstein
B James Chadwick
C J J Thomson
D Rutherford
Correct Answer: Rutherford

What are the metal bearing rocks called?

A Bitumen
B Bauxite
C Metalloids
D Ores
Correct Answer: Ores

The subatomic particle that has negative charge is___________?

A Electron
B Proton
C Neutron
D None of These
Correct Answer: Electron

One fathom is equal to:__________?

A 6 feet
B 6 meters
C 60 feet
D 100 cm
Correct Answer: 6 feet

The Maximum mass of an atom is present in ___________?

A Shell
B Nucleus
C Energy levels
D Orbit
Correct Answer: Nucleus

Reading of a Barometer going down is an indication of:___________?

A Snow
B Storm
C Intense heat
D Rainfall
Correct Answer: Rainfall

The rays that have negative charge are ___________?

A Anode Rays
B Cathode Rays
C Canal Rays
D Gamma Rays
Correct Answer: Cathode Rays

Actinides are the elements with atomic number from:

A 97 to 104
B 101 to 115
C 89 to 103
D 36 to 43
Correct Answer: 89 to 103
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