Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c A and b B and c C and d A and c A and b B and c C and d ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Deodorant Fungicide Rodenticide Herbicide Deodorant Fungicide Rodenticide Herbicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Cadmium Zinc Mercury Tin Cadmium Zinc Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Coke Lignite Bituminous Anthracite Coke Lignite Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP