Chemistry German silver used for making utensils is an alloy of Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Oxidation Exfoliation Carbonation Corrosion Oxidation Exfoliation Carbonation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two One Three Zero Two One Three Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Nitrogen All of these Ethane Methane Nitrogen All of these Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Oxalic acid Acetic acid Salycylic acid Formic acid Oxalic acid Acetic acid Salycylic acid ANSWER DOWNLOAD EXAMIANS APP
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