Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Nitrogen Helium Argon Neon Nitrogen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Fire-fighting clothes' are made from Asbestos Steatite Talc Mica Asbestos Steatite Talc Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Liquid in a liquid Gas in a solid Liquid in a gas Gas in a liquid Liquid in a liquid Gas in a solid Liquid in a gas Gas in a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Xenon Argon Radon Neon Xenon Argon Radon Neon ANSWER DOWNLOAD EXAMIANS APP
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