Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Monoxide Sodium Carbonate Sodium Hydroxide Sodium Peroxide Sodium Monoxide Sodium Carbonate Sodium Hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory (India) is located in Hyderabad Mumbai Bangaluru Pune Hyderabad Mumbai Bangaluru Pune ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Oxidation Reduction Bleaching Adsorption Oxidation Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In softening water In paper industry In making tooth paste As purgative In softening water In paper industry In making tooth paste As purgative ANSWER DOWNLOAD EXAMIANS APP
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