5. I have a carbonyl group that sits right in the middle of the compound.

6. If my backbone consists of five carbons in an open chain, then,
Who am I?

ANSWER: 3-Pentanone

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1. You need to do very accurate measurements when I am in operation

2. It means I am one of the quantitative methods in science especially in Chemistry

3. Measurement of volumes is not of ultimate interest to me

4. An accurate analytical balance is a must.

5. When I am in operation formation of an insoluble precipitate is necessary.

6. The precipitate must be filtered, washed and dried to constant weight.
What am I?

Ans:Gravimetric Analysis

Or precipitation Gravemetry ✅

I like it when you guys can't get my riddles🤣🤣🤣

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1. I was born in July 1841 in Germany

2. I started an apprenticeship in Pharmacy in Hamburg in1862 five years after finishing basic school