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Prepare the following as directed.

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

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Why water molecule is polar?

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

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1 answer 455 views

Why and how carbon completes its octet?

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

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How crude oil is refined? Explain the important fractions of petroleum along with their usage.

asked Sep 26, 2017 in Chemistry 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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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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How equilibrium constant is represented?

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

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What is blister copper?

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

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Justify, ozone is beneficial for human kind.

asked Sep 23, 2017 in Chemistry by sonia (36.5k 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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Give an example of a disaccharide. How it is hydrolyzed into monosaccharide’s?

asked Sep 22, 2017 in Chemistry by shamroz (41.5k 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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Why H+ ion acts as a Lewis acid?

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

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Explain the methods of removing permanent hardness.

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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What are the causes of hardness in water?

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

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Why pesticides are used?

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

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What do you mean by fluorosis?

asked Sep 24, 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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