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Name the process by which common salt is purified.
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Name the process by which common salt is purified.
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Name the process by which all the dye can be recovered from black ink.
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Name the process by which all the dye can be recovered from black ink.
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Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
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Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
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Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
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Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
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Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
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Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
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Fill in the following blanks with suitable words :
Immiscible liquids are separated by using a .....................
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Fill in the following blanks with suitable words :
Immiscible liquids are separated by using a .....................
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Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
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Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
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Fill in the following blanks with suitable words :
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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Fill in the following blanks with suitable words :
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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Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
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Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
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