Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Tin Copper Zinc Lead Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons electrons mesons neutrons positrons electrons mesons neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Bromine Iodine Chlorine Fluorine Bromine Iodine Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Gel Emulsion Sol Precipitate Gel Emulsion Sol Precipitate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Tartaric acid Acetic acid Citric acid Lactic acid Tartaric acid Acetic acid Citric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
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