Chemistry Ruby and sapphire are oxides of Tin Iron Aluminium Copper Tin Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Isotopes Higgs-boson Cations Anions Isotopes Higgs-boson Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Catalyst Drug Cleansing agent Soap Catalyst Drug Cleansing agent Soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and copper Lead and zinc Lead and bismuth Lead and antimony Lead and copper Lead and zinc Lead and bismuth Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Noble gases Halogens Heavy metals Light metals Noble gases Halogens Heavy metals ANSWER DOWNLOAD EXAMIANS APP
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