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MBD-IS MATTER AROUND US PURE-Example
- How many colours are mixed in a dye ?
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- Define chromatography.
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- What are the uses of chromatography ?
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- Which type of liquid mixture solutions can be separated by simple dis...
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- Which type of liquid mixture solutions are separated by fractional dis...
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- Give two examples where fractional distillation is used to separate th...
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- What is the function of glass beads in fractionating column ?
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- Which type of mixture air is ?
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- What is the boiling point of oxygen ?
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- What is the boiling point of Argon.
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- What is the boiling point of nitrogen ?
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- When do we use crystallisation for purification ?
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- How will you get pure copper sulphate ?
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- Why is crystallisation better than simple distillation ?
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- How will you get pure water from sea water ?
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- How is alum purified ?
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- What are the changes during chemical change ?
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- Name the type of change of combustion ?
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- How is matter classified on the basis of chemical composition ?
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- Which French scientist proved that element is a fundamental or basic ...
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