Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry MCQs
Q.1: Which of the following is a basic unit in chemistry? (a) Mole (b) Gram (c) Meter (d) Liter Q.2: What is the empirical formula of a compound with 40% carbon, 6.7% hydrogen, and 53.3% oxygen? (a) CHO (b) CHO₂ (c) CH₂O (d) CH₃O Q.3: The molar mass of water (H₂O) is: (a) 16 g/mol …
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