Answer:
Correct option is D)
Explanation:
Crystallization is the process that is used to separate a pure solid in the form of its crystals from a solution.
Copper sulphate, salt, and potash alum can be purified by this method. In this process, the solution of the substance is heated and then cooled to form crystals.
I believe it is answer 2 and 4
Answer: The SI unit for measuring distance is meter
Explanation:
Answer:
A
Explanation:
The independent variable only changes when whoever is conducting the experiment changes it, When it does change, it changes the dependent variable
___AlBr3 + ___K -> ___KBr + ___ Al
1 AlBr3 + 3K -> 3KBr + 1 Al
hope this helps............