Chlorofluorocarbons Quiz PDF: Questions and Answers - 195

MCQ 971: Chlorofluorocarbons are replacing with less harmful compounds such as

1. hydrocarbons
2. hydrofluorocarbons
3. dichlorodifluoromethane
4. difluoroethane

MCQ 972: Outermost layer of Earth which is composed of soil is known as

1. cryosphere
2. pedosphere
3. lithosphere
4. hydrosphere

MCQ 973: One which is not considered as naturally occurring greenhouse gas is

1. carbon dioxide
2. methane
3. nitrous oxide
4. ethane

MCQ 974: German scientist, Fritz Haber, received Nobel Prize in the field of Chemistry in

1. 1912
2. 1914
3. 1916
4. 1918

MCQ 975: Headquarter of 'UNESCO' is located in

1. Washington
2. New York City
3. Geneva
4. Nairobi