English Medium इयत्ता ९ - CBSE Question Bank Solutions for Science

Name the process by which common salt is purified.

Name the process by which all the dye can be recovered from black ink.

Name the process by which all the dye can be recovered from black ink.

Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?

Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?

Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?

Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?

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Miscible liquids are separated by .....................

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Miscible liquids are separated by .....................

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Immiscible liquids are separated by using a .....................

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Immiscible liquids are separated by using a .....................

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A mixture of kerosene and petrol can be separated by .....................

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A mixture of kerosene and petrol can be separated by .....................

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The separation of liquids by fractional distillation is based on the difference in their .....................

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The separation of liquids by fractional distillation is based on the difference in their .....................

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The gases of air can be separated by fractional distillation of liquid air because they have different..............

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The gases of air can be separated by fractional distillation of liquid air because they have different..............

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A heterogeneous mixture of liquid and solid is conveniently separated by...............

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A heterogeneous mixture of liquid and solid is conveniently separated by...............

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 If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................