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Javal
Questions (4)
What can we use to put out a fire that involves sodium or any alkali metals. I know we can't use water as sodium reacts
1 answer
402 views
Are any of the bellow chemical changes reversible? If yes, then how?
Mixture of Lear Nitrate and Potassium Iodide Mixture of
2 answers
664 views
Example of a physical change that has a colour change?
2 answers
830 views
How to reverse a mixture of copper sulphate and distilled water? I know its a physical change but have no clue on how to reverse
2 answers
509 views
Answers (4)
oh geography trust me just remember the map and definitions and you should be good
I know that all of this are chemical changes and mostly all chemical changes are non reversible. However, there are some that are reversible. I'm just not sure if any of this ones are reversible or no.
oh thanks yea that's perfect what i needed
is that the only method. Well if i want both the water and copper sulphate than what can i do?
