Chemistry The coloured discharge tubes for advertisement mainly contain Argon Helium Xenon Neon Argon Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Ethylene glycol Ethanol Methanol Propyl alcohol Ethylene glycol Ethanol Methanol Propyl alcohol 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? 13 days 3 billion years 0.01 minute 100 years 13 days 3 billion years 0.01 minute 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Oxidising property Reducing property Acidic property Basic property Oxidising property Reducing property Acidic property ANSWER DOWNLOAD EXAMIANS APP