Repeat the above activity using alkalis

Repeat the above activity using alkalis such as sodium hydroxide, calcium hydroxide solutions etc., instead of acid solutions.

  1. Does the bulb glow ?
  2. What do you conclude from the results of this activity ?
  3. What happens to an acid or a base in aqueous solution ?
  4. Do acids produce ions only in aqueous solution ?
  1. No, the bulb doesn’t glow.
  2. Acids are good conductors of electricity and not bases (alkalis).
  3. Acids produce H+ ions and bases produce OH“ ions in aqueous solutions.
  4. Yes.