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True or False: (If false give the correct statement) 1. Moseley’s periodic table is based on atomic mass. 2. Ionic radius increases across the period from left to right. 3. All ores are minerals; but all minerals cannot be called as ores. 4. Aluminium wires are used as electric cables due to their silvery white colour. 5. An alloy is a heterogenous mixture of metals. |
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Answer» 1. False – Moseley’s periodic table is based on atomic number. 2. True 3. True 4. False – Aluminium wires are used as electric cables because it is a good conductor of heat and electricity. 5. False – An alloy is an homogeneous mixture of metals. |
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