Question

Write the names of apparatus and alternative apparatus required to show experimentally that carbon dioxide is given out during respiration.

Answer 1

Apparatus Required-

1. A conical flask,
2. a beaker,
3. a cork with a hole,
4. a glass tube bent at right angles at two places,
5. a small test tube,
6. KOH solution,
7. thread,
8. coloured water.