The sodium sulfite-acid solution should be disposed of by ____________________.

Answers Options:

1) washing down the drain with large amounts of water.

2) washing out with diluted sodium bicarbonate for sink disposal.

3) neutralizing the solution with sodium bicarbonate before sink disposal.

4) reacting it with potassium permanganate before placing in a designated container inside the fume hood.

5) placing it in a designated waste container inside the fume hood.

1 answer

Don't you usually neutralize acid solutions?