Which of the following vitamins contain nitrogen?
1). Vitamin A
2). Vitamin B
3). Vitamin C
4). Vitamin D
1. Question 5.2:Why does physisorption decrease with the increase of temperature?
2. Which of the following is used to iodine common salt?
3. Question 6.10:What is meant by the term “chromatography”?
4. The long range potential of nu I clear energy in India depends on i its reserves of
5. Setting of plaster of Paris involves
6. Which of the following acts as promoter for iron in Haber's process?
7. The fundamental particles present in the nucleus of an atom are