Explanation:
a single bond such a (C-H) has one sigma bond whereas a double ( C=C) and triple (C=C) bond has one sigma bond with remaining being pi bond
Answer:
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Answer:

2,2,1 being the coefficients
Explanation:
These type of question rely on the person answering the question knowing the formula of hydrogen peroxide. Hydrogen peroxide has a formula that is very similar to that of water except it has a two after the O, which makes it very easy to remember.