Question # 1

The heat capacity of water is.

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4.2 Jg^-1 K^-1

2.1 Jg^-1K^-1

3.2 Jg^-1K^-1

5.9 Jg^-1K^-1

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

Gypsum in water is.

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Sparingly soluble

Insoluble

Highly soluble

None of them

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

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Two

Three

Four

Six

Which compound protect teeth from diseases?

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Fluorine compound

Chlorine compound

Iodine compound

Bromine compound

Neurological damage is caused by the poisoning of.

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Lead

Cadimium

Mercury

All of them

Water molecule show structure.

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Tetrahedral

Trigonal

Pentagonal

All of them

Which disease cause when humans use water of industrial effuents.

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Cancer

Asthma

Jaundica

Cholera

The water which produces good lather with soap is called:

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soft water

hard water

heavy water

typical water

Water which produces good lather with soap is called.

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Soft water

Hard water

Heavy water

All of them

Water dissolves Non-ionic compounds by:

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Ion-Ion forces

Dipole forces

Dipole - Dipole forces

Hydrogen Bonding

Hard water can cause.

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Stomach disorder

Boiler blasts

Inefficiency of engine

All of them

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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers

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