Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Neon Helium Krypton Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Magnesium Lead Bromine Barium Magnesium Lead Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Four bonds One bond Two bonds Three bonds Four bonds One bond Two bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of SO2 Fungicide H2SO4 H2S SO2 Fungicide H2SO4 H2S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Brass Bronze Copper Silver Brass Bronze Copper Silver ANSWER DOWNLOAD EXAMIANS APP
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