Reactions: chemistry lifehacks #2

How many times did you received pieces of advice without knowing why you need to do that or that? Well, the guys from Reactions give you the tips and tricks and then explains the chemistry behind all that.

In the video from above you receive 4 pieces of advice:
– test is a egg is still fresh by putting it in a can of water – if the egg floats, then the egg is rotten
– when you need to cut some onions put them in the fridge first so that you’ll not cry when you’re cutting them
– use nail polish to stiffen sawing wire when you can’t get it into the needle
– cook your veggies for under 7 minutes to keep their greenish color

For scientific explanations of these pieces of advice watch the video from above.

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