Recent questions without a selected answer

0 like 0 dislike

1 answer 121 views

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

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

0 like 0 dislike

1 answer 126 views

Explain agricultural effluents are fatal for aquatic I life.

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

0 like 0 dislike

1 answer 119 views

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

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

0 like 0 dislike

1 answer 146 views

Explain the water pollution because of industrial waste.

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

0 like 0 dislike

1 answer 144 views

Explain the methods of removing permanent hardness.

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

0 like 0 dislike

1 answer 242 views

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

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

0 like 0 dislike

1 answer 64 views

How waterborne diseases can be prevented?

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

0 like 0 dislike

1 answer 115 views

What are the reasons of waterborne diseases?

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

0 like 0 dislike

1 answer 137 views

Why pesticides are used?

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

0 like 0 dislike

1 answer 319 views

How detergents make the water unfit for aquatic life?

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

0 like 0 dislike

1 answer 127 views

What is difference between biodegradable and non-biodegradable substances?

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

0 like 0 dislike

1 answer 208 views

Mention the disadvantages of detergents.

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

0 like 0 dislike

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)

0 like 0 dislike

1 answer 144 views

What are the causes of hardness in water?

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

0 like 0 dislike

1 answer 118 views

Differentiate between soft and hard water

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

0 like 0 dislike

1 answer 137 views

How lime stone dissolves in water?

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

0 like 0 dislike

1 answer 148 views

How water dissolves sugar and alcohols?

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

0 like 0 dislike

1 answer 773 views

Why non-polar compounds are insoluble in water?

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

0 like 0 dislike

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)

0 like 0 dislike

1 answer 210 views

How water rises in plants?

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

Page:

« prev
1
...
931
932
933
934
935
936
937
...
970
next »

Free Hit Counters

...