answer:
This allows us to tell alkenes apart from alkanes using a simple chemical test. Bromine water is an orange solution of bromine. It becomes colourless when it is shaken with an alkene. Alkenes can decolourise bromine water, but alkanes cannot.
explanation:
the pancreas and the liver
Answer:
B Genetic diversity
Explanation:
This is false
[2 ]Na+[2 ]H2O -> [ 2] NaOH + [1]H2