General Science The percentage of oxygen present in air is approximately- 0.21 0.44 0.23 0.4 0.21 0.44 0.23 0.4 ANSWER DOWNLOAD EXAMIANS APP
General Science Bell metal is an alloy of Zinc and Copper Brass and Nickel Nickel and Copper Tin and Copper Zinc and Copper Brass and Nickel Nickel and Copper Tin and Copper ANSWER DOWNLOAD EXAMIANS APP
General Science Decibel is the unit for Intensity of heat Intensity of sound Speed of light Radio wave frequency Intensity of heat Intensity of sound Speed of light Radio wave frequency ANSWER DOWNLOAD EXAMIANS APP
General Science The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Helium Krypton Xenon Argon Helium Krypton Xenon Argon ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following does not contain a coinage metal? Copper and Gold Silver and Gold Zinc and Gold Copper and Silver Copper and Gold Silver and Gold Zinc and Gold Copper and Silver ANSWER DOWNLOAD EXAMIANS APP
General Science Which among the following is a positively charged particle emitted by a radioactive element? Beta ray Cathode ray Gamma ray Alpha ray Beta ray Cathode ray Gamma ray Alpha ray ANSWER DOWNLOAD EXAMIANS APP