61. Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?
62. The addition of which of the following adds fizz to soft drinks?
63. The ester has a . . . . . . . . odor.
64. Which of the following compounds does not contain a carboxylic acid group?
65. Consider the following statements.
1. Saturated hydrocarbons undergo substitution reaction.
2. Carbon black is obtained when methane is heated in the absence of air.
Which of the above statement(s) is/are correct?
1. Saturated hydrocarbons undergo substitution reaction.
2. Carbon black is obtained when methane is heated in the absence of air.
Which of the above statement(s) is/are correct?
66. Consider the following statements.
1. Trinitrotoluene (TNT) is one of the most common explosives for military and industrial application.
2. The main use of aniline in the dye industry.
3. Azodyes play an important role as colouring agents in the textile, food and pharmaceutical industry.
Which of the statements given above are correct?
1. Trinitrotoluene (TNT) is one of the most common explosives for military and industrial application.
2. The main use of aniline in the dye industry.
3. Azodyes play an important role as colouring agents in the textile, food and pharmaceutical industry.
Which of the statements given above are correct?
67. . . . . . . . . does not contain a carbonyl group-
68. Which of the following is not an unsaturated carbon compound?
69. Hydrocarbons that have the same molecular formula but have different structural formulas . . . . . . . . it is said.
70. Which acid is found in curd?
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