MCQS of Chemistry For Entry Test

During Electrolysis of Water the product @cathode obtained is:

A. Hydrogen Gas & Water
B. Oxygen Gas & Water
C. CO & Water
D. Hydrogen & Carbon monoxide

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

A. Pt
B. FeO
C. Cr²O³
D. Both B&C

Bosch Process involves:

A. Reduction
B. Oxidation
C. Isomerization
D. Crackling

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

A. Bosch Process
B. Cyber Twinkling process
C. Palladium process
D. Steam process

Which one of the following radiation has the longer wavelength?

A. infra red
B. visible
C. x-ray
D. ultra violet
E. gamma rays

Metal are highly:

A. Electropositive
B. Electronegativity
C. Both of these
D. Neutral

Atomic number of Mn is 25 what is the electronic configuration in the ground state:

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

Main use of salt in diet is to :

A. ease the process of cooking
B. increase the taste
C. digestion and absorption
D. increase solubility of food

The source of the Sun’s energy is the process of:

A. Photoelectric emission
B. Nuclear fission
C. Nuclear fusion
D. Thermionic emission

Optic fibres are used in :

A. CAT scans
B. X-ray photos
C. Ultrasound scans
D. Endoscopy

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