Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Paint Cement Glass Gun powder Paint Cement Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Coal Graphite Gold Diamond Coal Graphite Gold Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Copper Aluminium Zinc Iron Copper Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO CO2 All of these O3 CO CO2 All of these O3 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