Chemistry The scientist who experimentally proved the existance of positron is Anderson Bohr Bethe Fermi Anderson Bohr Bethe Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Ferrous sulphide Graphite Lead sulphide Lead Ferrous sulphide Graphite Lead sulphide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Smog Green house effect Eutrophication None of these Smog Green house effect Eutrophication None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 7.5-8 4.5-5 44052 6.5-7 7.5-8 4.5-5 44052 6.5-7 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
Chemistry Which of the following alloy is used in making magnet ? Stainless steel Alnico Duralumin Magnalium Stainless steel Alnico Duralumin Magnalium ANSWER DOWNLOAD EXAMIANS APP