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 ore which is found in abundance in India is bauxite monazite fluorspar magnetite bauxite monazite fluorspar magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 4 2 3 5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Same spin Opposite spin No spin Same or opposite spin Same spin Opposite spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Elimination reaction None of the options Substitution reaction Addition reaction Elimination reaction None of the options Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
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