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Chemistry

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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 1

B 2

C 3

D 4

A 0.33 nm

B 0.34 nm

C 0.35 nm

D 0.36 nm

A they cast shadow

B they possess momentum

C they are negatively charged

D all of the above

A Analytical balance

B Guoys balance

C Electrical balance

D Single beam balance

A Polar solvent

B Non polar solvent

C Fused metal

A 2

B 3

C 4

D 5

A Plastic

B Glass

C Rubber

D None of the above

A 12% alcohol

B 90% alcohol

C 95% alcohol

D 100% alcohol

A molecules become more disordered.

B K.E of the molecules decreases

C intermolecular forces become weaker.

D molecules move more frequently.

A 20cm3/min

B 40cm3/min

C 160cm3/min

D 2.5cm3/min

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When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

Which of the following properties prove that cathode rays are material in nature_________________?

Paramagnetic behaviour of substance is measured by a balance called___________________?

Metallic crystals are soluble in________________?

Butyl chloride gives possible isomers ?

Which of the following solids show anisotropy___________________?

The rectified spirit is________________?

As a substance moves from a solid to a liquid all of the following changes occur except ?

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?