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Author Question: The active ingredient in many laundry bleaches and bleaching powders is A) hydrogen peroxide, ... (Read 191 times)

Kthamas

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on: Aug 27, 2018
The active ingredient in many laundry bleaches and bleaching powders is
 
  A) hydrogen peroxide, H2O2.
  B) hypochlorite ion, ClO-.
  C) sodium dichromate, Na2Cr2O7.
  D) chlorine, Cl2.

Question 2

The approximate human population of Earth is more than
 
  A) 2 billion.
  B) 12 billion.
  C) 7 billion.
  D) 10 billion.


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jonathanballen97

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Kthamas

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  • Posts: 546
Reply 2 on: Aug 27, 2018
Gracias!

recede

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Reply 3 on: Yesterday
Wow, this really help

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