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Why the alkanes are called 'paraffin's'?

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How is coal formed? What are the different types of coal?

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

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Define functional group with an example.

asked Sep 19, 2017 in Chemistry by shamroz (41.5k points)

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Which aromatic compound is used to keep insects away from clothes?

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

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What types of compounds are synthesized by plants?

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Note down changes in color of methylene blue. Also write down reason for colour change.

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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What are the effectors In nervous coordination?

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Which acids are mineral acid?

asked Sep 17, 2017 in Chemistry by sonia (36.5k points)

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What is coke? For what purpose it is used? Which is the best quality of coal?

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Which is the simplest alkane?

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What do you mean by dominant and recessive alleles?

asked Sep 12, 2017 in Biology by sonia (36.5k points)

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Write down the advantages of using fermenters.

asked Sep 14, 2017 in Biology by sonia (36.5k points)

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Which aromatic compound is used to keep insects away from clothes?

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

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Write down the characteristics of homologous series.

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Define pollutants? What are major types of pollutants?

asked Sep 13, 2017 in Biology by shamroz (41.5k points)

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How is coal formed? What are the different types of coal?

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

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Write a note on male and female reproductive system in rabbit.

asked Sep 12, 2017 in Biology by shamroz (41.5k points)

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CNG stands for

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

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Give the functional group of alkenes and alkynes?

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Why the alkynes are called acetylenes?

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