Chemistry Ruby and sapphire are oxides of Tin Aluminium Iron Copper Tin Aluminium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Nitrogen Lithium Chlorine Fluorine Nitrogen Lithium Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Europe Antarctica India Africa Europe Antarctica India Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 7 3 6 4 7 3 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 4 8 1 2 4 8 1 ANSWER DOWNLOAD EXAMIANS APP
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