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प्रश्न
Fill in the blank:
________ and _______ are pure substances.
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उत्तर
Elements and compounds are pure substances.
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संबंधित प्रश्न
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chocolate wrappers
Give four examples of non-metallic elements.
What do you understand by :
Metalloids
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
Name the substance you will add to speed up sedimentation.
Name the techniques used to separate a solid from its solution.
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
Write the differences between elements and compounds and give an example for each.
