Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrical change Electrochemical change None of these Physical change Electrical change Electrochemical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Combined available chlorine Free chlorine Residual chlorine Free available chlorine Combined available chlorine Free chlorine Residual chlorine Free available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of None of these Polymer Polyester Acrylic None of these Polymer Polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Ethane Methane Propane Butane Ethane Methane Propane Butane ANSWER DOWNLOAD EXAMIANS APP