Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.5 mole 0.2 mole 0.4 mole 0.25 mole 0.5 mole 0.2 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising Tinning Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Hardness Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard It is pure Its refractive index is high It is colourless It is hard It is pure Its refractive index is high It is colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer An analgesic A disinfectant A purifier for water A fertilizer An analgesic A disinfectant A purifier for water ANSWER DOWNLOAD EXAMIANS APP
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