Chemistry Which of the following has pH value 7? Pure Water H2SO4 Sodium Carbonate HCl Pure Water H2SO4 Sodium Carbonate HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene acetylene ethane carbon dioxide ethylene acetylene ethane carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Diluted acetic acid Glacial formic acid Glacial acetic acid Diluted formic acid Diluted acetic acid Glacial formic acid Glacial acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is chlorine sodium chlorine alcohol carbon dioxide chlorine sodium chlorine alcohol carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Calcite Haematite Bauxite Cryolite Calcite Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP