Chemistry The gas used to extinguish fire is Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Zinc Tungsten Copper Nichrome Zinc Tungsten Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A weak electrolyte A non-electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A weak electrolyte A non-electrolyte Initially weak and then become a strong electrolyte A strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
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