61. The ultra pure metal is obtained by
62. What is "Agent orange"?
63. Colligative properties are properties of solutions that depend on
- A. the mass of the molecules present in the solution
- B. the size of the molecules present in the solution
- C. the number of ions/molecules in a given amount of solvent
- D. None of the above
- Check Answer | Discussion
64. The gas used in a refrigerator is
- A. cooled down on flowing
- B. heated up on flowing
- C. cooled down when compressed
- D. cooled down when expanded
- Check Answer | Discussion
65. Which one of the following is used to measure the performance of a motor or gasoline, an aviation fuel ?
66. Which one of the following fatty acids consists only the essential fatty acid?
- A. Stearic acid, linolenic acid, arachidonic acid
- B. linoleic acid, oleic acid, linolenic acid
- C. Linoleic acid, linolenic acid, arachidonic acid
- D. Linoleic acid, linolenic acid, stearic acid
- Check Answer | Discussion
67. Which one of the following is associated with the formation of brown air in traffic congested cities?
68. Which one of the following is the metallurgical operation in which a metal is obtained in a fused state?
69. Which of the following pesticide is applied to the foundation of buildings to prevent termites?
70. What type of reaction is carried out by the lipase in the digestion of fats?
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