General Science The percentage of oxygen present in air is approximately- 0.44 0.21 0.23 0.4 0.44 0.21 0.23 0.4 ANSWER DOWNLOAD EXAMIANS APP
General Science Balloons are filled with Nitrogen Oxygen Helium Argon Nitrogen Oxygen Helium Argon ANSWER DOWNLOAD EXAMIANS APP
General Science Heavy water is Tritium oxide PH7 Deuterium oxide Rain water Tritium oxide PH7 Deuterium oxide Rain water ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following was to be discovered first in the chromospheres of the sun? Krypton Helium Xenon Neon Krypton Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Boron and Aluminium Silicon and Germanium Niobium and Columbium Iridium and Tungsten Boron and Aluminium Silicon and Germanium Niobium and Columbium Iridium and Tungsten ANSWER DOWNLOAD EXAMIANS APP
General Science Bell metal is an alloy of Zinc and Copper Nickel and Copper Brass and Nickel Tin and Copper Zinc and Copper Nickel and Copper Brass and Nickel Tin and Copper ANSWER DOWNLOAD EXAMIANS APP
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