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Write down different uses of acids and bases.

asked Sep 17, 2017 in Chemistry by sonia (36.5k 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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Define petroleum

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How double salt is prepared?

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What is the difference between aldehyde and ketone?

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Write an account on land pollution.

asked Sep 13, 2017 in Biology by sonia (36.5k points)

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CNG stands for

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Define biotechnology and describe its importance.

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Why Andreas Vesalius is famous for?

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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Write down the principle usage of important medicinal drugs.

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Identify the colors of the precipitates formed by reaction of caustic soda with; copper, zinc and ferric salts.

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Define the followings:

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What do you mean by the concept of 3Rs with reference to the conservation of natural resources?

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What is destructive distillation?

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Explain with examples how soluble salts are prepared?

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What is genotype? Define their types.

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How pH of a solution is measured?

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What are the main components of the axial skeleton and the appendicular skeleton?

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How the vaccine can be administered?

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What are the different stages of nitrogen cycle?

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