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 c C and d A and b B and c A and c C and d A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is Foam Emulsion Gel Suspension Foam Emulsion Gel Suspension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Lead Aluminium Arsenic Mercury Lead Aluminium Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Reduced by light Totally colourless Soluble in hyposolution Oxidised in air Reduced by light Totally colourless Soluble in hyposolution Oxidised in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Asbestos Textiles Paper Silica Asbestos Textiles Paper Silica ANSWER DOWNLOAD EXAMIANS APP