MP Police Constable 2023 Question Paper (12-Sep-2023) Shift 3

Question 1

When reacting with water,  _______ starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal.

Accepted Answer

Calcium

Answer

Magnesium

Answer

Potassium

Answer

Sodium

Question 2

Which among the following is the most reactive metal?

Accepted Answer

K

Answer

Hg

Answer

Pb

Answer

Al

Question 3

Which of the following is most commonly formed from reaction of an acid and an alcohol?

Accepted Answer

Esters

Answer

Water

Answer

Salts

Answer

Charcoal

Question 4

The atomic radius decreases in moving from  _______ along a period due to an increase in nuclear charge which tends to pull the electrons closer to the nucleus and reduces the size of the atom.

Accepted Answer

Left to right

Answer

Right to left

Answer

Up to down

Answer

Down to up

Question 5

What is the absolute refractive index of kerosene?

Accepted Answer

1.44

Answer

1.47

Answer

1.46

Answer

1.31

MP Police Constable 2023 Question Paper (12-Sep-2023) Shift 3

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