ACIDS, BASES & SALTS MCQs

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1. . The bases give ______ ions in water:





2. . Which one is a Lewis acid?





3. . Which one is a Lewis base?





4. . The process in which a base reacts with oil and forms soap is called:





5. . The basicity of CH₃COOH is:





6. . The acidity of sodium hydroxide is:





7. . Which one is alkali?





8. . Alum is an example of:





9. . The pH of pure water is:





10. . The solution having pH 6 is called:





11. . pH is equal to:





12. . The number of ionizable hydrogen atoms present in an acid molecule is called its:





13. . According to Lewis concept, an acid:





14. . KH₂PO₄ is:





15. . The pH range of a basic solution is:





16. . How many water molecules are in the crystal of copper sulphate (CuSO₄·xH₂O)?





17. . The nature of a solution having pH more than seven will be:





18. . Which one is a double salt?





19. . What will be the effect of mixing more water in an acidic solution?





20. . Which one has a slippery touch?





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