Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Haematite Dolomite Bauxite Cinnabar Haematite Dolomite Bauxite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Coal tar Plant gums Wool wax Petroleum Coal tar Plant gums Wool wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Plutonium Radium Zinc Thorium Plutonium Radium Zinc Thorium ANSWER DOWNLOAD EXAMIANS APP
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