Baking soda is an example of pure substance because:
the constituent particles have constant composition.
it has consistent properties through out the mixture.
both A and B
none of these
A
the constituent particles have constant composition.
B
both A and B
C
none of these
D
it has consistent properties through out the mixture.
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Solution
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The correct option is C both A and B Baking soda is a chemical compound having structural formula ( NaHCO3 ) that contains the same composition of constituent particles which are consistent throughout the mixture. Hence, it is a pure substance.
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