Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Sodium Calcium Barium Strontium Sodium Calcium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Water is dispersed in fat Fat is dispersed in water Fat is dissolved Fat and water are dispersed in each other Water is dispersed in fat Fat is dispersed in water Fat is dissolved Fat and water are dispersed in each other 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 B and c A and b A and c C and d B and c A and b A and c C and d ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Tollen's Bakelite Nylon 66 Terylene Tollen's Bakelite Nylon 66 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
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