Page 382 - General Knowledge

GENERAL KNOWLEDGE 2019

134. Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________
A. Explosives
B. Insecticides
C. Fungicides
D. Synthetic Detergents

135. Which of the following group characterizes alcohols?
A. OH group
B. COOH group
C. COO group
D. CO group

136. Which among the following is not a use of Graphite?
A. making of electrodes
B. lubricant
C. manufacturing of crucibles,
D. Glass cutting

137. Water at 4 degree centigrade has____?
A. minimum density
B. maximum density
C. No density
D. None of the above

138. To keep the hot glass item‘s finishing and transparency , they go through a process called
annealing. This process involves _______?
A. cooled rapidly
B. cooled very slowly
C. cooled slowly and uniformly under controlled environment
D. heating rapidly

139. Bleaching Powder is a compound of _______?
A. Calcium
B. Sodium
C. Magnesium
D. Sulphur

140. Graphite, Carbon and Diamonds are _________?
A. Isotopes
B. Isomers
C. Isotones
D. Allotropes

141. Galena & Litharge are ores of which of the following metals?
A. Mercury
B. Zinc
C. Copper
D. Lead

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