Answer:
Chloro-Flouro-Carbon
Explanation:
Chloro-Flouro-Carbon (CFC Gas) is used as a refrigerant in fridges and freezers.
I believe the answer is: in order not to write very big or very small number values
A. Less than 1% of the alpha particles went un-deflected through the gold foil.
2NH₃(g) + CO₂(g) → CO(NH₂)₂(s) + H₂O(l)
is the balanced equation for the synthesis of urea.
Chemical,when you light a match stick, you are starting a chain reaction of the substance chemical formula, making it a chemical change
