Chemistry The mass number of an atom is equal to the number of nucleons the number of protons the number of neutrons the number of protons and electrons the number of nucleons the number of protons the number of neutrons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Phosphorus Bromine Silicon Sulphur Phosphorus Bromine Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Tin Mercury Lead Zinc Tin Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Copper Zinc Silver Nickel Copper Zinc Silver Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Silicon Lead Carbon Tin Silicon Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
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