Chemistry Which of the following metals occurs in free state ? Lead Iron Zinc Copper Lead Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Geothermal powder Natural gas Coal Uranium Geothermal powder Natural gas Coal Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Radon Krypton Helium Argon Radon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Corrosion Erosion Passivation Abrasion Corrosion Erosion Passivation Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Low electronegativity Tendency to gain electrons Malleability Low ionization energy Low electronegativity Tendency to gain electrons Malleability ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
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