Hot questions

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1 answer 175 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 306 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 82 views

What is an industrial waste?

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

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1 answer 169 views

Name the major constituents of troposphere.

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

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1 answer 161 views

Give the characteristics of troposphere.

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

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1 answer 75 views

What is capillary action?

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

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1 answer 158 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 71 views

What is dysentery?

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

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1 answer 163 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 455 views

Why BF3 behaves as a Lewis acid?

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

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3 answers 207 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 63 views

How waterborne diseases can be prevented?

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

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2 answers 249 views

Why the organic compounds are poor conductor of electricity?

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

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1 answer 149 views

Why acid rain damages buildings?

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

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1 answer 323 views

What are heterocyclic compounds? Give two examples.

asked Sep 18, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 191 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 57 views

Which of the bacteria causes cholera?

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

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1 answer 140 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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1 answer 180 views

How Plants synthesize carbohydrates?

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

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1 answer 141 views

How proteins are formed?

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

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