What is washing soda?
1). Aluminium bicarbonate
2). Sodium bicarbonate
3). Aluminium sulphate
4). Sodium carbonate
1. Iodex, a pain relief balm, has the smell of ________ .
3. The number of d-electrons in Fe2+ (Z = 26) is not equal to that of
5. Molybdenite is an ore/mineral of
6. One of the following is used to dissolve noble metals. That is
7. Chromatography technique is used?for the separation of
8. In chemical terms, what are alums used for purifying water for drinking purposes ?