Q103: Esters have been widely used as<br>A)refrigerants.<br>B)insecticides.<br>C)fragrances.<br>D)disinfectants.
Q104: Petroleum jelly is<br>A)a mixture of low carbon
Q105: Which of the following is an alkane?<br>A)butene<br>B)propyne<br>C)butane<br>D)toluene
Q106: This substance is an ester of the
Q107: Draw the first ten alkanes and give
Q109: This compound is named<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4085/.jpg" alt="This compound
Q110: The name of the compound CH₃CH₂CH₂CONH₂ is<br>A)ethanamide.<br>B)propylamine.<br>C)butanoic
Q111: The formula of methanol is<br>A)COH.<br>B)CHOH.<br>C)CH₂OH.<br>D)CH₃OH.
Q112: Alcohols are characterized by which functional group?<br>A)hydroxyl<br>B)carboxyl<br>C)halide<br>D)ester
Q113: CH₃CH₂OCH₃ is called<br>A)ethyl propyl ether.<br>B)ethyl methyl ether.<br>C)butyl