Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, USA, European Union, India China, India, European Union, USA USA, India, China, European Union European Union, China, USA, India China, USA, European Union, India China, India, European Union, USA USA, India, China, European Union European Union, China, USA, India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Methyl alcohol Butyl alcohol Ethyl alcohol Propyl alcohol Methyl alcohol Butyl alcohol Ethyl alcohol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrochloric acid Sulphuric acid Hydrofluoric acid Sulphurous acid Hydrochloric acid Sulphuric acid Hydrofluoric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From blue to pink From brown to orange-red From pink to blue-green From brown to blue-black From blue to pink From brown to orange-red From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP