Chemistry Question and Answers - TNPSC

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CHEMISTRY QUESTIONS AND ANSWERS 21 to 25

21. The isotope atoms differ in

atomic weight

22. Which one of the following gases is readily soluble in water at room temperature?

carbon dioxide

23. The solute in a solution can be separated by

evaporation

24. Bauxite is an ore of

aluminium

25. Ruby is an oxide of

aluminium

More Chemistry QUESTIONS AND ANSWERS available in next pages

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