Lakhmir Singh and Manjit Kaur Solutions for Chapter: Acids, Bases And Salts, Exercise 8: Long Answer Type Questions

Write any two important uses of bases.

What happens when zinc granules are heated with sodium hydroxide solution? Write the equation of the reaction which takes place.

What happens when bases react with non-metal oxides? Explain with the help of an example. What does this reaction tell us about the nature of non-metal oxides?

What effect does the concentration of ${\mathrm{H}}^{+}\left(\mathrm{a}\mathrm{q}\right)$ ions have on the nature of a solution?

What effect does the concentration of ${\mathrm{OH}}^{-}$ ions have on the nature of a solution?

Someone put some universal indicator paper into vinegar. The pH is 3. What does this tell you about the vinegar?

Someone put some universal indicator paper onto wet soap. The pH is 8. What does this tell you about the soap?

State whether a solution is acidic, alkaline or neutral if its pH is:
(i) 9
(ii) 4
(iii) 7
(iv) 1
(v) 10
(vi) 3