Some bleaches contain hydrogen peroxide as their active ingredient, while others contain sodium hypochlorite. both these chemicals contain an element that makes a colored stain colorless. what is that element?
question 11 options:

a) nitrogen

b) oxygen

c) phosphorous

d) hydrogen

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

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