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प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Name the main metal present in the following:
Haemoglobin
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chocolate wrappers
State four difference between compounds and mixtures.
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
By using a separating funnel
Fill in the blank:
_________ is a process to obtain a very pure form of a solid dissolved in a liquid.
Differentiate between the following.
solution and suspension
Write the differences between elements and compounds and give an example for each.
When two or more elements combine together they form ______.
Write the differences between mixture and compounds.
