Recent questions without a selected answer

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1 answer 150 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 190 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 146 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 219 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 196 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 298 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 105 views

How waterborne diseases can be prevented?

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

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1 answer 148 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 185 views

Why pesticides are used?

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

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1 answer 377 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 156 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 235 views

Mention the disadvantages of detergents.

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

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1 answer 2.7k 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 205 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 167 views

Differentiate between soft and hard water

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

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1 answer 220 views

How lime stone dissolves in water?

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

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1 answer 191 views

How water dissolves sugar and alcohols?

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

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1 answer 1.3k 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 1.1k 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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1 answer 240 views

How water rises in plants?

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

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