Toxic Chemicals in Environment-Carcinogens in Air [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 2 of 2
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Question 1
Appeared in Year: 2017
Question MCQ▾
Among the following, which one is the most hazardous chemical in the atmosphere? (January)
Choices
Choice (4) | Response | |
---|---|---|
a. | Carbon monoxide | |
b. | Dioxin | |
c. | CFCs | |
d. | Halons |
Question 2
Appeared in Year: 2015
Question MCQ▾
Trichloromonofluoromethane is: (June)
(I) Freon - II
(II) A spray can propellant
(III) A chlorofluorocarbon
Choices
Choice (4) | Response | |
---|---|---|
a. | (1) Only | |
b. | (II) and (III) only | |
c. | (I) and (III) only | |
d. | (I) , (II) and (III) |