41. Sizing material is incorporated in paper to
42. Chemical name of Grignard reagent is
43. In industrial nomenclature, alcohol means
44. Addition of calcium oxide to water produces
45. Alcohol is produced by the
46. All enzymes are made of
47. Reaction of an alcohol with organic acid is called the __________ reaction.
48. Impurities present in brine is normally removed by treatment with
49. Which of the following is an organo-metal-lic compound?
50. Analgesic drugs are
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