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Define petroleum

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Write down the advantages of using fermenters.

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Define pH. What is the pH of pure water?

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Define the followings:

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Why Andreas Vesalius is famous for?

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Define biotechnology and describe its importance.

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Write an account on land pollution.

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CNG stands for

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Write down the principle usage of important medicinal drugs.

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How pH of a solution is measured?

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Explain with examples how soluble salts are prepared?

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Describe the advantages and disadvantages of vegetative propagation of plants.

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How double salt is prepared?

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What do you mean by the concept of 3Rs with reference to the conservation of natural resources?

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What is isomerism?

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What are the main components of the axial skeleton and the appendicular skeleton?

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