Chemistry Which one is a naturally occuring noble gas Sodium Argon Potassium Boron Sodium Argon Potassium Boron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur Bauxite Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a thermoset thermoplastic chemical compound polymer thermoset thermoplastic chemical compound polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 300 km 100 km 200 km 150 km 300 km 100 km 200 km ANSWER DOWNLOAD EXAMIANS APP