Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Phosphorus-31 Carbon-14 Radium Tritium Phosphorus-31 Carbon-14 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high polishing its high density its chemical inertness presence of free electrons its high polishing its high density its chemical inertness presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 18 2 32 8 18 2 32 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, India, European Union, USA European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Podsols Saline soils Acidic soils Alkaline soils Podsols Saline soils Acidic soils Alkaline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 95% mg 200 g 91% gold 200 mg 95% mg 200 g 91% gold 200 mg ANSWER DOWNLOAD EXAMIANS APP