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Explain with examples how soluble salts are prepared?

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Write classification of coal.

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

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

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

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How many times a solution of pH I will be stronger than that of a solution having pH 2?

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

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What are the different ways by which prokaryotes, protozoan, other invertebrates and fungi reproduce asexually?

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

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What is the functional group of an ester?

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How double salt is prepared?

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

asked Sep 18, 2017 in Chemistry by sonia (36.5k points)

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Write down the principle usage of important medicinal drugs.

asked Sep 14, 2017 in Biology by shamroz (41.5k points)

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How an alcohol is tested?

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

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

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Define biotechnology and describe its importance.

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What is the basic unit of carbohydrates and how it is synthesized?

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Describe the structure and types of cartilage and bone.

asked Sep 15, 2017 in Biology by sonia (36.5k points)

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What Is noise pollution? What are its effects on health?

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

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Define the followings:

asked Sep 17, 2017 in Chemistry by shamroz (41.5k points)

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How pH of a solution is measured?

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What is the difference between aldehyde and ketone?

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How the vaccine can be administered?

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