Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is K Na Ca Cs K Na Ca Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water River water Rain water Lake water Sea water River water Rain water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene vinyl chloride ethyl alcohol None of these ethylene vinyl chloride ethyl alcohol None of these ANSWER DOWNLOAD EXAMIANS APP
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