General Science In which of the following activities silicon carbide is used? Making casts for statues Making cement and glass Cutting very hard substances Disinfecting water of ponds Making casts for statues Making cement and glass Cutting very hard substances Disinfecting water of ponds ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water may be removed by the addition of Lime Alum Potassium Permanganate Sodium Carbonate Lime Alum Potassium Permanganate Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Optic fibers are mainly used for which of the following? Weaving Musical instruments Food industry Communication Weaving Musical instruments Food industry Communication ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic explosion, enormous energy is released which is due to Conversion of mass into energy Conversion of neutrons into protons Conversion of mechanical energy into nuclear energy Conversion of chemical energy into heat energy Conversion of mass into energy Conversion of neutrons into protons Conversion of mechanical energy into nuclear energy Conversion of chemical energy into heat energy ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Copper Cadmium Chromium Lead Copper Cadmium Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
General Science The gas usually filled in the electric bulb is Hydrogen Oxygen None of the listed here Nitrogen Hydrogen Oxygen None of the listed here Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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