When testing for transpiration using a plastic bag around a plant shoot, why is cobalt chloride paper used to identify the liquid collected?
Cobalt chloride paper turns pink in the presence of water, confirming transpiration has oc curred
2 )
Cobalt chloride paper measures the pH of the liquid to determine if it contains minerals
3 )
Cobalt chloride paper reacts with glucose to confirm photosynthesis is occurring
4 )
Cobalt chloride paper changes color when exposed to oxygen, indicating gas exchange
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