Chemistry Interveinal necrotic spots on leaves appear due to HF injury NO2injury O3injury SO2injury HF injury NO2injury O3injury SO2injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide 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 USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP