Chemistry Submarines move under water. They have engines that run on Batteries Diesel Steam Petrol and oxygen Batteries Diesel Steam Petrol and oxygen 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 C and d A and c B and c A and b C and d A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Salts Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Feldspar Quartz Mica Galena Feldspar Quartz Mica Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Urea Cane-sugar Sodium chloride Blood Urea Cane-sugar Sodium chloride Blood ANSWER DOWNLOAD EXAMIANS APP