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16 votes
2 answers
125k views

Reviving Li-ion battery in freezer?

2 votes
2 answers
1k views

Can Na2CO3 remove temporary hardness of water?

4 votes
0 answers
2k views

Cat litter crystals causing toxic smell upon rubbing and pouring out of the package, safe?

8 votes
1 answer
8k views

Storing alcohol in a thermos bottle

5 votes
1 answer
11k views

Reaction between sodium bicarbonate (baking soda), isopropyl alcohol, and acetic acid (vinegar)?

7 votes
2 answers
936 views

What happened to this 10 year old unopened plastic bottle?

1 vote
1 answer
46 views

Why does pectin/agar jelly taste sweet, if they stay solid at 36.5 °C, entrapping sugar?

2 votes
1 answer
36k views

Does Rubbing Alcohol + Bleach really produce Chloroform?

1 vote
1 answer
1k views

The effects of acetic acid on porous concrete brick and mortar joints

83 votes
1 answer
4k views

What causes the old book smell?

5 votes
1 answer
5k views

Is the flint used in disposable lighters toxic?

3 votes
1 answer
89 views

Is there not a strict definition of what naphtha vs petrol represent?

8 votes
0 answers
1k views

Sugar burning with the assistance of ash

5 votes
2 answers
233 views

Why don't oils use plastic droppers?

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