hydrocarbon is ethene which is used to test for saturation and it undergoes addition reaction
Answer:2NaF is the correct one. It’s a simple combination and can be be split with relative ease
Explanation:
B: produces energy for the cell
<span>The correct answer is 'freezing point depression'. Colligative properties depend on the concentration of molecules of a solute. Examples of other colligative properties are boiling point elevation or vapour pressure lowering. The salt causes ice on the side walk to melt because it lowers the freezing point. </span>
Isn't a chemical change like something that's not a physical change or physically changed but is something that uses natural chemicals? that's my guess sorry if it's wrong I think I'm wrong though
