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Give a test used to identify unsaturation of an organic compound.

asked Sep 20, 2017 in Chemistry by shamroz (41.5k points)

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Point out two serious effects of ozone depletion.

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

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How the basic salts turn into normal salts? Explain with an example.

asked Sep 16, 2017 in Chemistry by sonia (36.5k points)

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In how many fractions crude oil is separated?

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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Why pure water is not a strong electrolyte?

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

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Write a note in detail on smelting and bessemerization, giving a specific example'

asked Sep 26, 2017 in Chemistry by sonia (36.5k points)

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Name the various metallurgical steps.

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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Give the importance of vitamins.

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

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What is difference between biodegradable and non-biodegradable substances?

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

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What are the factors that can affect the tidal volume and total lung capacity?

asked Aug 31, 2017 in Biology by shamroz (41.5k points)

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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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Give the sources and uses of animal fats.

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

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What are heterocyclic compounds? Give two examples.

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

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

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

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What are the reasons of waterborne diseases?

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

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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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How proteins are formed?

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

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How can you prepare ethene from alcohol and ethyl bromide?

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Give the balanced equation for the formation of glucose.

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