Chemistry Chile saltpeter is the common name of: Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite 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? 0.01 minute 3 billion years 13 days 100 years 0.01 minute 3 billion years 13 days 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? European Union, China, USA, India China, India, European Union, USA China, USA, European Union, India USA, India, China, European Union European Union, China, USA, India China, India, European Union, USA China, USA, European Union, India USA, India, China, European Union ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Carbene Free radical Carbanion Carbocation Carbene Free radical Carbanion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is Infinity 2J 4J Infinity 2J 4J ANSWER DOWNLOAD EXAMIANS APP
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