Chemistry The mass number of an atom is equal to the number of protons and electrons the number of neutrons the number of protons the number of nucleons the number of protons and electrons the number of neutrons the number of protons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Protons Positrons Electrons Neutrons Protons Positrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Propyl salicylate Butyl salicylate Ethyl salicylate Methyl salicylate Propyl salicylate Butyl salicylate Ethyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Bauxite Lignite Dolomite Copper Bauxite Lignite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrates Nitramines Nitrites Ammonia Nitrates Nitramines Nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Excimer laser Gas laser Dye laser Semiconductor laser Excimer laser Gas laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
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