Chemistry For extinguishing fire, we use Marsh gas Hydrogen Carbon Dioxide Carbon Monoxide Marsh gas Hydrogen Carbon Dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Lead Zinc Iron Copper Lead Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Softening Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Lead Silicon Carbon Tin Lead Silicon Carbon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Rainfall Population Pressure Height above sea-level Rainfall Population Pressure Height above sea-level ANSWER DOWNLOAD EXAMIANS APP
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