Page 384 - General Knowledge

GENERAL KNOWLEDGE 2019

C. PVC
D. Casseine

150. White Phosphorous is represented by which among the following symbols?
A. P1
B. P2
C. P3
D. P4

151. Which among the following is called Laughing Gas popularly?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen penta oxide
D. Nitrogen

152. Identify the non-metallic mineral from the given options:
A. Manganese
B. Magnesium
C. Silica
D. Bauxite

153. Which among the following are constituents of Brass?
A. Zinc and Copper
B. Iron and Zinc
C. Copper and Nickel
D. Iron and Copper

154. Which among the following acids is abundant in Grapes, Bananas and Tamarind?
A. Lactic Acid
B. Oxalic Acid
C. Salicylic Acid
D. Tartaric Acid

155. Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2-
3 December 1984?
A. Methyl isocyanide
B. Methyl isocyanate
C. methyl isochloride
D. methyl isochlorate

156. In the manufacture of Vanaspati ghee from vegetable oils, which among the following gas
is used?
A. N2
B. CO2
C. H2
D. Ne

157. When a tubelight breaks, a cracking sound is produced because ____?
A. Pressure inside the lamp is less than atmospheric pressure
B. Pressure inside the lamp is more than atmospheric pressure

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