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What are heterocyclic compounds? Give two examples.

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

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HCl and H2SO4 are strong acids. While their solutions are equimolar,

asked Sep 16, 2017 in Biology by sonia (36.5k points)

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Describe the difference between diesel oil and fuel oil.

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

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Explain agricultural effluents are fatal for aquatic I life.

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

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What is function of fertilizers?

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

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How water dissolves sugar and alcohols?

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

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Define petroleum.

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

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How equilibrium constant is represented?

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

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How sodium zeolite softens water?

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

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Point out two serious effects of ozone depletion.

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

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Compounds of sulphur are air pollutants.

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

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Give the general formula of the lipids.

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

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H3PO4 is a weak acid but its salt (Na3Po4) with strong base NaOH is neutral Explain it.

asked Sep 17, 2017 in Chemistry by sonia (36.5k points)

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1 answer 149 views

What is percentage of nitrogen in urea?

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

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Why H+ ion acts as a Lewis acid?

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

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Point out two properties of water that make it an excellent solvent.

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

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How the basic salts turn into normal salts? Explain with an example.

asked Sep 16, 2017 in Chemistry by sonia (36.5k points)

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Describe in detail the various processes involved in the concentration of ore.

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

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Differentiate between soft and hard water

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What is water pollution? Describe the effects of using polluted water.

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