10th Class Chemistry Important MCQs Chapter No.7 Water

Temporary hardness is because of: (LHR GI, GRW. GII, FBD GI & GII, DGK. GI)

Sodium zeolite is resin of: (LHR. GI)

Specific heat capacity of water is:

Water shows maximum density at: (SWL. GI, MLN. GII)

Depletion of O₂ from water is not because of:

Permanent hardness is removed by adding:

Which disease causes liver inflammation? (LHR. GI, FBD. Gl)

Which gas is used to destroy harmful bacteria in water?(FBD. Gl, MLN. GI, BWP. GI, DGK. GI)

Which one of the following properties of water is responsible for rising of water in plants? (LHR GI)

Which one of the following is agricultural effluent: (BWP GI)

The oceans contain about of total world's water: (DGK Gl, FBD GI, SGD GI)

Specific heat capacity of water is: (GRW. GII, MLN, GI, SWL. GI, LHR. GII, FBD. GII)

Which one of the following gases is used to destroy harmful bacteria in water?

Which one of the following ion does not cause hardness in water? (LHR. GII)

Which one of the following properties of water is responsible for rising of water in plants?

Rapid growth of algae in water bodies is because of detergent having:

Which ion is responsible for the hardness of water? (SGD GI)

Presence of ions in water results in a rapid growth of algae is: (MLN GIl)

Vibrios cholera bacteria causes the disease (BWP GI)

Temporary Hardness is removed by adding: (MLN. Gui, RWP. GI, GRW. GI, SWL. GI, DGK. GI!)

Rapid growth of algae in water bodies is because of detergent having: (SGD. GII)

Which one of the following ions does not cause hardness in water?

The removal of Mg⁺² and Ca⁺² ions which are responsible for the hardness of water is called: (SWL G1)

Which one of the following ions is cause of water hardness? (SGD G1, GRW GI)

Water dissolves non-ionic compound by:

Which percentage of the total water on the earth is potable? (Rwp GII)

A disease that causes bone and tooth damage is:

Which one of the following diseases causes severe diarrhea and can be fatal?

Tonic compounds are soluble in water due to:

A disease that causes bone and teeth damage is: (BWP GI, SWL GI, FBD GI)

Which one of the following diseases causes Diarrhea and can be fatal: (BWP GII)

Permanent hardness can be removed by: (GRW. GI, SGD. GI, SWL, GII, FBD. GI)

The density of water at 4^°C is: (MLN. GI)

The chemicals used to kill or control pests are called pesticides. They are:

Temporary hardness is removed by adding:

Which one of the following salts makes the water permanently hard?

Which one of the following diseases causes liver inflammation?

Cholera is caused by: (SGD GI)

Temporary hardness is because of:

Water dissolves non-ionic compounds by: (GRW GI, BWP GII)