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CONCEPT OF CHEMISTRY MCQs

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1. Which philosophers used the word ‘atom’?





2. Example of an element is:





3. Number of natural elements are:





4. Number of artificial / manmade elements are:





5. Symbol of Barium is:





6. Valency of Zinc is:





7. Empirical formula of Benzene is:





8. Avogadro’s number is represented as:





9. Proton number is also called:





10. 1 amu is equal to:





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