Page 365 - General Knowledge

GENERAL KNOWLEDGE 2019

C. Presence of Impurities
D. Existence of definite planer layers

15. Benzoepin, Parrysulfan, Phaser, Thiodan, Thionex etc. are the names of which among the
following pesticides?
A. Kepone
B. Paraquat
C. Endosulfan
D. Toxaphene

16. An aqueous solution of Sodium Acetate will be of which among the following nature?
A. Acidic
B. Basic
C. Neutral
D. Either acidic or basic depending upon temperature of solution

17. Aluminum is getting popular worldwide today as a ―Green Metal‖. Which among the
following properties of Aluminum makes it a Green Metal?
A. Aluminum has been providing a replacement of wood for saving forests and contributes in
environment protection
B. Aluminum is a light metal and it is resistant to corrosion
C. Aluminum has fairly high rate of recycling and it can be re-used repeatedly without its quality
deteriorating
D. The lands after the Bauxite mining can be restored very quickly and easily

18. Acetylene cannot be safely pressurized as a pure compound. Which among the following is
used for safe storage and transportation of Acetylene?
A. Kerosene
B. Acetone
C. Vinegar (Acetic Acid)
D. Propylene glycol

19. Above 70 °C, sodium bicarbonate has a property of gradually decomposing, which makes it
usable in Bakery products. Which among the following end product of this Thermal
decomposition of Sodium bicarbonate makes it usable for the above purpose?
A. Hydrogen
B. Carbon Dioxide
C. Water Vapor
D. Sodium Carbonate

20. Which among the following substances is being used most commonly for producing
synthetic jet Fuel?
A. Coal
B. Natural Gas
C. Plastic Waste
D. Biomass

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