Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Oxygen Carbon dioxide Argon Nitrogen Oxygen Carbon dioxide Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodate Sodium iodide Potassium iodide Iodine Potassium iodate Sodium iodide Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium ANSWER DOWNLOAD EXAMIANS APP
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