The oldest known organic compound is5
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Q: The oldest known organic compound is
- 1Ureafalse
- 2Methanefalse
- 3Acetic acidtrue
- 4Benzenefalse
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Answer : 3. "Acetic acid"
Explanation :
Answer: C) Acetic acid Explanation: In the form of vinegar, acetic acid is known from very early times. It is got by oxidation of fermented liquors (10-15%, alcohol) by air under the influence of a bacteria called 'mycoderma acetic'
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Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.