Explanation:
Chemical formula of chalcone is 
and during the preparation of chalcones, a base like sodium hydroxide acts like a catalyst. This catalyst helps in the abstraction of proton from the methyl group acetophenone in order to obtain a negative charge methylene group.
This methylene group then attacks carbonyl carbon of the benzaldehyde.
Answer:
false
salt water does the oppsotie
Explanation:
Answer:
D.
Explanation:
You try to get 8 electron on the outermost "shell" so you have no left over or "valence" electrons.
Different boiling point.
Because in distillation the substance with lower boiling point is evaporated, leaving the other material(s).
Explanation:
HCl(aq)+ NaOH(aq)→NaCl(aq)+H2O(l) ..
