Adding which substance gives blue colour to glass?
1). Manganese oxide
2). Cobalt oxide
3). Chromium oxide
4). Iron oxide
1. Question 5.23:Explain the physical significance of Van der Waals parameters.
2. Highest percentage of carbon is found in which form of coal?
3. Process of gaining electrons is known as _____.
4. Zeolite is
5. What is the chemical name for ‘Baking Soda’ ?
6. Which of the following is used to iodine common salt?
7. Which among the following is used as a catalyst in the production of high octane fuels?
8. Rusting of iron takes place due to