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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
Correct the following statement:
CO and Co both represents cobalt.
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: Two substances used to make electric wires
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
Give an example of two liquids which form homogenous.
How are elements classified?
