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Why the alkynes are called acetylenes?

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

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Oxides of nitrogen cause air pollution. Describe the sources of these compounds.

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

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Write down the dot and cross formula of propane and n-butane?

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

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Explain the sources and uses of proteins.

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

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Differentiate between osmoregulation and thermoregulation.

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

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Draw the structure of glucose.

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

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How ozone layer forms in stratosphere?

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

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Explain amino acids are building blocks of proteins?

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

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Where ozone layer is found?

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

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Why the alkanes are used as fuel?

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

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How acid rain is produced?

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

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Where the proteins are found?

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

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1 answer 98 views

What do you mean by ozone hole?

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

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How ozone layer is being depleted by Chlorofluocarbons?

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

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Describe the uses of carbohydrates.

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

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Why the ten amino acids are essential for us?

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

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What are polysaccharides? Give their properties.

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

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What do you mean by an air pollutant?

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

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Where the ozone layer exists?

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Give the general formula of amino acid.

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