Chemistry The pollutant responsible for ozone holes is ________ CO2 CFC SO2 CO CO2 CFC SO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand Sand and sodium carbonate Sand and potassium carbonate Sand and sodium bicarbonate Sand Sand and sodium carbonate Sand and potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Need less energy to move them Are lighter Have negative charge Experience collision less frequently Need less energy to move them Are lighter Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Electrons Protons and neutrons Protons Protons and electrons Electrons Protons and neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
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