Question # 1

The heat capacity of water is greater than rocks.

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4 times

5 times

6 times

7 times

Temporary hardness is removed by adding.

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Quick lime

Slaked lime

Lime stone

Lime water.

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

How many times the heat capacity of water is greater than that of rocks.

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Two

Three

Four

Six

The removal of Mg⁺² and Ca⁺² Ion which are responsible for the hardness of water is called.

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Temporary hardness

Permanent hardness

Water softening

Hydrogen bonding

the removal of which ion causes water softening.

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Na⁺

Mg²

Li⁺

K⁺

Water molecule show structure.

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Tetrahedral

Trigonal

Pentagonal

All of them

Permanent hardness is removed by adding.

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Na₂ zeolite.

Soda lime

Lime water

Quick lime

A disease is caused by excess of bile pigments in the blood is.

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Typhoid

Jaundice

Cholera

Dysentery

Vibrious cholera bacteria causes the disease

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Cholera

Diarrhea

Jaundice

Hepatitis

Permanent hardness can be removed by using .

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Soda lime

Sodium Zeolite

Quick lime

Lime water

Which process is responsible for ascending of water in roots:

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evaporation

transpiration

condensation

capillary action

Which of the following salt is soluble in water.

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NaCl

KCl

Na₂SO₄

All of them

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Chemistry 10th Class English Medium Unit 15 Online Test MCQs With Answers

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