Question

Experimentally show that co2 is released during respiration

Answer 1

Answer:

Take a clean plastic bottle make a hole in its lid, then pour some freshly prepared lime water into the bottle and put a straw in such a way that is dips the lime water. Blow gently through the straw into the water a few times an the lime water turns milky.

This proves that the exhaled gas contains CO2 as it turned the lime water milky.

OBSERVATIONS : LIME WATER TURNS MILKY WHEN IN CONTACT WITH CARBON DIOXIDE.

AND

CARBON DIOXIDE IS RELEASED DURING RESPIRATION