Chemistry Which one of the following metals is used to galvanise iron ? Copper Lead Zinc Mercury Copper Lead Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Positron Neutron Electron Proton Positron Neutron Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Sodium Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Will always be positive Can never be positive Can have any value above zero Cannot be negative Will always be positive Can never be positive Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Uranium Thorium Rhodium Iron Uranium Thorium Rhodium Iron ANSWER DOWNLOAD EXAMIANS APP
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