Page 387 - General Knowledge

GENERAL KNOWLEDGE 2019

173. Which of the following type of Coal, has maximum carbon content?
A. Peat
B. Lignite
C. Antharacite
D. Bituminious

174. What is the common name of Calcium Sulphate Hemihydrate?
A. Bleaching powder
B. Slaked lime
C. Plaster of paris
D. Detergent

175. Which among following is also known as white gold?
A. Nickel
B. Rhodium
C. Platinum
D. Palladium

176. Which acid is described as HOOCCOOH?
A. Oxalic Acid
B. Acetic Acid
C. Carbonic Acid
D. Citric Acid

177. Carnotite is a mineral of which among the following metals?
A. Lead
B. Uranium
C. Aluminium
D. Iron

178. PVC is a polymer of ?
A. Propane
B. Vinyl chloride
C. Styrene
D. Carbonates

179. When Sulphur is heated with rubber, the process is commonly known as ?
A. Galvanization
B. Sulphonation
C. Vulcanization
D. Hydrodesulfurization

180. Which among the following chemicals is used in Photography?
A. Silver Bromide
B. Potassium Chloride
C. Sodium Bromide
D. Magnesium Chloride

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