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What is the essonchemical composition?Classify the following changes as physical or chemical?(1) Decay of vegetables(ii) Formation of clouds(ili) Burning of a candleGive reasons for your answer |
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Answer» Answer: Chemical COMPOSITION REFERS to the arrangement, type, and ratio of atoms in molecules of chemical substances. ... The molecular mass of a substance is the sum of the average MASSES of the atoms in one MOLECULE of a substance. Calculations for formula mass and molecular mass are DESCRIBED. |
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