Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate adding caustic soda boiling distillation adding sodium carbonate adding caustic soda boiling distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Carboxylic groups in oil Unsaturation in oil Hydroxyl groups in oil Alkali content in oil Carboxylic groups in oil Unsaturation in oil Hydroxyl groups in oil Alkali content in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Oxygen Neon Nitrogen Fluorine Oxygen Neon Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen 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 A and c C and d A and b B and c A and c C and d A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Air exerts an upward force on the balloon Helium pushes down on the air below the balloon Helium is less dense than air The balloon is weightless Air exerts an upward force on the balloon Helium pushes down on the air below the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
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