Chemistry The metals commonly used for electroplating are Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Gold Lead Calcium Iron Gold Lead Calcium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Tin Zinc Copper Nickel Tin Zinc Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.94 78.03 85.02 0.03 0.94 78.03 85.02 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c B and c A and b C and d A and c B and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Sodium Oxide Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide Sodium Bicarbonate Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP