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Which salt is used to prepare Plaster of Paris?

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

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Plants are source of oils, justify.

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

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Our existence is due to organic compounds, comment.

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

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Differentiate between minerals and ores.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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Why benzene and other homologous compounds of benzene are called aromatic compounds?

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

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Which raw materials are required for the formation of sodium carbonate?

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

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How urea is manufactured? Explain showing the flow sheet diagram.

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

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What do you mean by neutralization reaction according to Arrhenius acid-base concept?

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

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How can you justify RNA works like a messenger?

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

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What happens when ammonical brine is carbonated?

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

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There are millions of organic compounds.

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

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How can you differentiate between ethane and ethene?

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

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Name two acids used in the manufacture of fertilizers.

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

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Justify that organic compounds are used as food.

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

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What is difference between ghee and oil?

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

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How sulphur containing compounds are emitted naturally?

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

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Write a note on fractional distillation of petroleum.

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

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Distinguish between propane and propene with a chemical test

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

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How decaying plants consume oxygen?

asked Sep 24, 2017 in Chemistry by sonia (36.5k points)

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How polarity of water molecule plays its role to dissolve the substances?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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