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What is function of fertilizers?

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Why pesticides are used?

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What are the causes of hardness in water?

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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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Differentiate between homocyclic and heterocyclic compounds.

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Why H+ ion acts as a Lewis acid?

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

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What is an ester group? Write down the formula of ethyl acetate.

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How sodium zeolite softens water?

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

asked Sep 25, 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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How Plants synthesize carbohydrates?

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

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What is hepatitis?

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What are the components of nucleotide?

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Give a test used to identify unsaturation of an organic compound.

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In how many fractions crude oil is separated?

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Give a use of kerosene oil.

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Differentiate between soft and hard water

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