Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Helium Argon Nitrogen Hydrogen Helium Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Zinc plating Galvanization Vulcanization Alloy formation Zinc plating Galvanization Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Tin Lead Zinc Mercury Tin Lead Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Electron, proton Neutron, electron Neutron, positron Proton, neutron Electron, proton Neutron, electron Neutron, positron Proton, neutron ANSWER DOWNLOAD EXAMIANS APP
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