31. Which of the following is the main organic acid found in grapes?
32. The three-carbon molecules broken down from six-carbon molecules of glucose during the first step in the process of nutrition inall organisms is called
33. Which acid is found in orange?
34. The compound to which H2 does not add is
35. Choose the wrong option for aldehyde-
36. Power Alcohol is a mixture of . . . . . . . . and ethyl alcohol.
37. Which of the following is used to denature ethanol?
38. Chemical decomposition of an organic compound by water is called as
39. In which one of the following reactions, the maximum quantity of H2 gas is produced by the decomposition of 1 g of compound by $$\frac{{{H_2}O}}{{{O_2}}}$$ ?
40. One of the constituents of tear gas is
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