Raw materials used for the manufacture of glass are
1). sand soda limestone
2). sand charcoal soda
3). limestone charcoal sulphur
4). sand sulphur soda
Answer This Question with Explaination and Earn! Click Here to Know More!
1. In upper layer of atmosphere ozone is formed
2. The main source of carbon monoxide is
3. The major harmful gas emitted by automobile vehicle which causes air pollution is
4. White phosphorus is generally kept under
5. Earth's crust mainly contains ______.
7. Question 16.3:Why do we require artificial sweetening agents?
8. A fertile soil is likely to have a pH of