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What is an industrial waste?

asked Sep 24, 2017 in Chemistry by sonia (36.5k points)

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1 answer 159 views

Name the major constituents of troposphere.

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

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1 answer 204 views

Write balanced chemical equations for the following reactions.

asked Sep 21, 2017 in Biology by sonia (36.5k points)

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What is capillary action?

asked Sep 24, 2017 in Chemistry by sonia (36.5k points)

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1 answer 290 views

Is coal-tar a compound? What is importance of coal-tar?

asked Sep 19, 2017 in Chemistry by sonia (36.5k points)

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1 answer 149 views

Give the characteristics of troposphere.

asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 63 views

What is dysentery?

asked Sep 24, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 152 views

Why the temperature of upper stratosphere is higher?

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

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1 answer 54 views

How waterborne diseases can be prevented?

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

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1 answer 140 views

Why acid rain damages buildings?

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

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1 answer 441 views

Why BF3 behaves as a Lewis acid?

asked Sep 16, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 147 views

What is the function of double helix formation of DNA?

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

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1 answer 50 views

Which of the bacteria causes cholera?

asked Sep 24, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 132 views

Point out two serious effects of ozone depletion.

asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 129 views

Define acid rain. How it forms and what are its effects?

asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)

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3 answers 178 views

Differentiate between aldehyde and ketone functional groups. How both are identified from each other?

asked Sep 19, 2017 in Chemistry by sonia (36.5k points)

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1 answer 169 views

Give the sources and uses of animal fats.

asked Sep 21, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 172 views

Alkynes are more reactive than alkanes

asked Sep 21, 2017 in Chemistry by sonia (36.5k points)

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1 answer 167 views

How Plants synthesize carbohydrates?

asked Sep 21, 2017 in Chemistry by sonia (36.5k points)

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Give the characteristics of monosaccharide

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