Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Iron Aluminium Copper Zinc Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Lead Copper Iron Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy CsF NaF RbF KF CsF NaF RbF KF ANSWER DOWNLOAD EXAMIANS APP
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