How or why does baking soda absorb odors?

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Does baking soda remove odors?

I have always been told that an open box of baking soda will "absorb" odors and make a fridge smell less. I have even seen people with three boxes in one fridge. My question is whether there is any scientific evidence for this claim. It seems entirely possible that it is purely confirmation bias; the boxes are always installed at the start of a keeping-the-fridge-decent campaign.

Answer:

The science behind the phenomenon is simply that sodium bicarbonate (as baking soda is known to its...

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Brad at Skeptics Mark as irrelevant Undo

Other solutions

Answer:

Well at all. As a wash solution, it is mildly alkaline and can serve to cut grease when dumped down...

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Anonymous at ChaCha Mark as irrelevant Undo

Answer:

Baking soda can neutralize unpleasant airborne odors (because odors are usually acid-based, much like...

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Thommy at Answerbag.com Mark as irrelevant Undo

Answer:

Odors are usually acid-based, and baking soda neutralizes them chemically.

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Jennifer G. at ChaCha Mark as irrelevant Undo

Answer:

Yes you put a new box in every month and it will keep your fridge nice and fresh.

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Anonymous at ChaCha Mark as irrelevant Undo

Answer:

It has been known to absorb pet urine and most smells. However a cleaner for pet urine does work considerably...

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Jeremi C. at ChaCha Mark as irrelevant Undo

Answer:

Activated carbon is much more efficient in absorbing odors than baking soda is.

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Ramonato O. at ChaCha Mark as irrelevant Undo

Answer:

I tried it last year when I moved to a new apartment, the refrigerator there smelled really bad. I used...

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Obada Barry at Quora Mark as irrelevant Undo

Answer:

No, because it has absorbed odors which can be transfered to your foods. In fact, baking soda absorbs...

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Neil Russo at Quora Mark as irrelevant Undo

Absorb refrigerator odors?

Aside from baking soda, what can be used to absorb refrigerator odors? I've heard of activated charcoal but I don't know where to buy it. How about a cookie tray with rock salt and crushed charcoal briquets? This is not a simple onion smell problem....

Answer:

Coffee grounds work pretty well. But first I would try what I've used to clean dozens of nasty refrigerators...

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tolstoi1 at Yahoo! Answers Mark as irrelevant Undo

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