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What is the role of nitrogen in air?Write a detail note.

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Write the role of iron in human body.

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In the light of the Holy Quran,Describe the role of science and knowledge.

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. Write down the inustrial uses of iron and sodium

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What are potassium and magnesium?Describe their uses in plants and importance in life

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Which subjects has been discussed in Kitab Al Shifa?

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Why the volume of water increases on freezing?Explain briefly.

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What do you know about Al-Bairuni?Describe his services.

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Write a note on importance of any two different gases present in air.

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What do you know about quantity of iron in plants?

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How the waste and scarce materials can be made useable?

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Describe the importance and utility of carbon

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What is universal accepter?

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What is the difference between bucky balls and graphite?

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What is meant by recycling?

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Describe the importance of calcium in plants.

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What do you know about organic chemistry?

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What is the differance between anabolic and catabolic reactions?Give examples.

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Describe three uses of bucky balls

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What is the use of argon gas?

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