Someone asked this question on Quora and it went viral on the internet like a jungle fire landing on every Q&A websites before landing on Twitter. Well, as expected twitteratis went furious and tweeted their answers.
Well, I'm not gonna be a 3rd wheel here, go ahead and read the people's response to this question. Also, I have the answer for your at the end of the article.
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That's why, my mom doesn't allow me to take the phone to the washroom.
Sulphur is the closest match to the question and here's the explanation.
Sulphur has a specific gravity of 2 which means if we were to weigh 2kg of sulphur under water, it would have an apparent weight of 1 kg because sulphur is a hydrophobic element, i.e., doesn't dissolve in water and because of the buoyancy force, it would have an apparent weight of only 1 kg.
When we burn sulphur (atomic number 16), it combines with oxygen (atomic number 8) on a one-to-one basis, it will weigh 1.5 times as much; that means 2kg will weigh 3kg.
But still, there are some confusions about the justification of last 'burnt' condition, so people are not convinced yet. Do you any better solution?
Tell us in comments.