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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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1 answer 721 views

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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Prove that water is amphoteric specie.

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

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Explain the process of roasting with reference to copper.

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

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How addition of Na2CO3 removes permanent hardness of water?

asked Sep 24, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 459 views

How can you justify RNA works like a messenger?

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

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1 answer 279 views

Differentiate between minerals and ores.

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

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1 answer 452 views

Plants are source of oils, justify.

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

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1 answer 274 views

What happens when ammonical brine is carbonated?

asked Sep 26, 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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Justify that organic compounds are used as food.

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

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1 answer 610 views

Name two acids used in the manufacture of fertilizers.

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

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1 answer 387 views

How sulphur containing compounds are emitted naturally?

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

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1 answer 246 views

Write a note on fractional distillation of petroleum.

asked Sep 26, 2017 in Chemistry by sonia (36.5k 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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1 answer 599 views

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

asked Sep 17, 2017 in Chemistry by shamroz (41.5k 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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1 answer 285 views

How decaying plants consume oxygen?

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

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Define chemical equilibrium state.

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

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What role is played by pine oil in the concentration process?

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

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