Page 385 - General Knowledge

GENERAL KNOWLEDGE 2019

C. The lamp is filled with reactive gases
D. The lamp is filled with mercury vapour

158. Which among the following is the objective of the Methyl tert-butyl ether (MTBE) mixing
with Petroleum?
A. Raise Octane Number
B. Antioxidant Stabilizer
C. Lead Scavanger
D. Fuel Dye

159. The most important contributor of sea salt is ____?
A. Rivers
B. Salty Rocks at bottom of sea
C. Aquatic animals in Sea
D. Atmosphere around sea

160. Which among the following elements are generally find in free state?
A. Group 11 elements
B. Group 12 elements
C. Group 13 elements
D. Group 14 elements

161. Which among the following would cause the bright red colur due to bursting of crackers?
A. Strontium
B. Sodium
C. Suphur
D. Magnesium

162. Who among the following scientists had discovered Radium?
A. Marie Sklodowska-Curie and Pierre Curie
B. André-Louis Debierne
C. Kasimir Fajans
D. Oswald Helmuth Göhring

163. Who among the following had given the Atomic Theory?
A. Benzamin Franklin
B. Madam curie
C. Albert Einstien
D. John Dalton

164. Which among the following oxides cause the Acid rain ?
A. Carbon monoxide and carbon dioxide
B. Nitrous oxide and sulphur dioxide
C. Carbon dioxide and nitrous oxide
D. Sulphur dioxide and carbon monoxide

165. Which among the following element is an essential constituent of acids?
A. Nitrogen
B. Hydrogen

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