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True or False: (If false give the correct statement) 1. Two elements sometimes can form more than one compound. 2. Nobel gases are diatomic. 3. The gram atomic mass of an element has no unit. 4. 1 mole of Gold and Silver contain same number of atoms. 5. Molar mass of CO2 is 42 g. |
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Answer» 1. True 2. False – Noble gases are Monoatomic. 3. False – The unit of gram atomic mass of an element is gram. 4. True 5. False – Molar mass of CO2 is 44 g. |
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