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Compare chemical properties and reactivities of alkali and alkaline earth metals.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Compare the physical properties of metals and nonmetals.

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Describe the main parts of excretory system in man

asked Nov 23, 2018 in Science by danish (1.0m points)

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Write down uses of calcium

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Design a model to explain the green house effect.

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Elaborate the properties of salts?

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Name a metal which can be cut with knife?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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How many electrons can be accommodated in M & N shell?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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Define volume thermal expansion solid?

asked Nov 21, 2018 in Physics by danish (1.0m points)

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Why orchids produce alkanes

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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Write a note on the following: a) Pipette b)Flasks

asked Nov 24, 2018 in Science by danish (1.0m points)

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How you make relationship of solution to different products in the community? Explain briefly

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Write the trend of elector negativity in periods and groups?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Give the concept of oxidation and reduction in terms of change of oxidation number is a chemical reaction.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Define symbol. Give an example?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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Why the density of gases is lesser than of liquids?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What type of attractive forces exist between HCl molecules?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Define unsaturated solution?

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The mass of a bag of floor is 10kg.What is the mass in grams.

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What is meant by latent heat of vaporization?

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