Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Methane Propane Ethane Butane Methane Propane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na K Cs Ca Na K Cs Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/3 1/6 1/8 1/4 1/3 1/6 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Methane Butane Decane Propane Methane Butane Decane Propane ANSWER DOWNLOAD EXAMIANS APP