Asked by Xalati

Explain why solution turns blue by referring to the relative strength of oxidising agent?
Answered by DrBob222
I didn't watch you do your experiment. I have no idea what was added to what.
Answered by jerry
Natasha holds the two ends of a string in her hands and then moves her hands up and down so that a wave travels from one end of the string to the other end. In which case will she have a standing wave along the string?
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