Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Aluminium Fluorine Potassium Lead Aluminium Fluorine Potassium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Phosphorus Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 36 17 19 53 36 17 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Sulphur Phosphorus Nitrogen Calcium Sulphur Phosphorus Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP