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Write a note on fractional distillation of petroleum

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How aldehydic group is identified

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What type of reactions take place when acids react with metals, bases and sulphides?

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Write uses of acids and also enlist important applications of bases

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What are hydrocarbons? How are they classified?

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How copper is produced from its ores? Explain with suitable examples?

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Oxides of nitrogen cause air pollution. Describe the sources of these compounds?

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How polarity of water molecules plays its role to dissolve the substance?

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Give some uses of organic compounds in our daily life?

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What plans were started for farmers and women in the second government era of Benazir Bhutto.

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Benazir bhutto adopted which foreign policy toward india

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What are alkynes? Also give molecular, condensed, structural and cross and dot formula of a few alkynes?

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Define salt and give the characteristic properties of salts?

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Represent first ten hydrocarbons, their molecular, condensed and structural formulas in tabular form?

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What according to the poet is a sweet noise

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Which are important famous sports of Pakistan

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Who is a career counselor?

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Define organic chemistry and give types of formulas of organic compounds?

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What are general characteristics of organic compounds

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Define Rabi crops

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