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प्रश्न
Name: the Hardest Naturally Occurring Substance
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उत्तर
Diamond
APPEARS IN
संबंधित प्रश्न
Give one example for the following types of mixtures :
misicible liquids
What are the advantages of chromatography?
What is meant by 2H and H2
Name: Two substances used to make jewellery.
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
Write the names of elements from the following symbol:
Fe
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Explain the term ‘mixture’.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
