Recent questions without a selected answer

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1 answer 200 views

Give some disadvantages of hard water.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 130 views

Explain five important waterborne diseases. How can these be prevented?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 135 views

Explain agricultural effluents are fatal for aquatic I life.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 122 views

Justify the statement: house hold water is the reason of water pollution.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 133 views

Explain the water pollution because of industrial waste.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 149 views

Explain the methods of removing permanent hardness.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 257 views

How polarity of water molecule plays its role to dissolve the substances?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 69 views

How waterborne diseases can be prevented?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 124 views

What are the reasons of waterborne diseases?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 151 views

Why pesticides are used?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 328 views

How detergents make the water unfit for aquatic life?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 135 views

What is difference between biodegradable and non-biodegradable substances?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 214 views

Mention the disadvantages of detergents.

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 2.6k views

What are the effects of temporary hardness in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 160 views

What are the causes of hardness in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 137 views

Differentiate between soft and hard water

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 145 views

How lime stone dissolves in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 156 views

How water dissolves sugar and alcohols?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 831 views

Why non-polar compounds are insoluble in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 1.0k views

Which forces are responsible for dissolving polar substances in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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