Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium chloride is Arrhenius Acid Lewis Base Lewis Acid Bronsted Lowry Acid Arrhenius Acid Lewis Base Lewis Acid Bronsted Lowry Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c C and d A and c A and b B and c C and d A and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? 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 Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Copper Lead Iron Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
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