Chemistry Which one of the following does not contain Silver ? Ruby Silver Lunar Caustic German Silver Horn Silver Ruby Silver Lunar Caustic German Silver Horn Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Aerosols Mists Fumes Smoke Aerosols Mists Fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.03 85.02 78.03 0.94 0.03 85.02 78.03 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 0.01 minute 13 days 100 years 3 billion years 0.01 minute 13 days 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its non-metallic character Its electropositive character Its reducing character Its affinity for non-metal Its non-metallic character Its electropositive character Its reducing character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP