Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Tin Lead Zinc Copper Tin Lead Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Higher fatty acids and stearic acid Bees wax and paraffin wax Bees wax and stearic acid Paraffin was and stearic acid Higher fatty acids and stearic acid Bees wax and paraffin wax Bees wax and stearic acid Paraffin was and stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog SO2 NO2 Dust particles Photochemical smog SO2 NO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Ether, Ammonia Nitrogen dioxide, ether Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Ether, Ammonia Nitrogen dioxide, ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
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