Chemistry Type metal used in printing press is an alloy of Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.05 0.01 1 2 0.05 0.01 1 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 always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Nitrogen Sulphur Chlorine Fluorine Nitrogen Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Helium Xenon Argon Neon Helium Xenon Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an abrasive Used as an explosive Used to fuse two metals Used to melt metals Used as an abrasive Used as an explosive Used to fuse two metals Used to melt metals ANSWER DOWNLOAD EXAMIANS APP
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