Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsifier is an agent which Aids the flocculation of an emulsion Stabilises an emulsion Homogenises an emulsion Accelerates the dispersion Aids the flocculation of an emulsion Stabilises an emulsion Homogenises an emulsion Accelerates the dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Antagonism Additives Synergism Independent Antagonism Additives Synergism Independent ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
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