Recent questions without an upvoted answer

0 like 0 dislike

1 answer 294 views

Differentiate between primary and secondary air pollutants.

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 526 views

Explain the phenomenon of decreasing temperature in troposphere.

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 114 views

Where ozone layer is found?

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 115 views

What do you mean by ozone hole?

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 93 views

Why ozone is depleting in atmosphere?

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 269 views

Justify, ozone is beneficial for human kind.

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 817 views

Plants are dying day by day comment.

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 139 views

How aquatic life is affected by acid rain?

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 167 views

Why acid rain damages buildings?

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

0 like 0 dislike

1 answer 122 views

How acid rain is produced?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 219 views

How combustion of fossil fuels in internal combustion engine produces oxides of nitrogen?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 371 views

How sulphur containing compounds are emitted naturally?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 484 views

Comment: Why burning in open air is preferred?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 897 views

Why the flood risks are increasing?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 282 views

Why COs is called a greenhouse gas?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 135 views

Identify as primary or, secondary air pollutant, SO2, CH4, HNO3, NH3, H2SO4 O3.

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 82 views

Name three primary air pollutants.

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 113 views

What do you mean by an air pollutant?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 185 views

Why the temperature of upper stratosphere is higher?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 114 views

Where the ozone layer exists?

asked Sep 22, 2017 in Chemistry by sonia (36.5k points)

Page:

« prev
1
...
934
935
936
937
938
939
940
...
970
next »

Free Hit Counters

...