Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Aluminium Copper Iron Zinc Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze copper iron gold bronze copper iron gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Carbon Hydrogen Sulphur Phosphorus Carbon Hydrogen Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 6 12 Zero 18 6 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Ozone Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF HNO3 H2SO4 HCl HF HNO3 H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
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