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प्रश्न
Classify substances into pure and impure substances in the form of a chart or tabulation.
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उत्तर
संबंधित प्रश्न
Name the substance you will add to speed up sedimentation.
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Give the name of the radical - NO3
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Select the correct answer from the choice given below.
The type of molecule- bromine
Select the correct answer from the choice given below to complete the sentence :
An example of a monoatomic molecule is ___________.
Differentiate between elements and compounds.
Give an account of elements known to us.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
