Which of the following imparts deep blue colour to glass ?
1). Cobalt oxide
2). Cupric oxide
3). Ferrous oxide
4). Nickel oxide
Answer This Question with Explaination and Earn! Click Here to Know More!
1. Question 14.6:What is glycogen? How is it different from starch?
2. Which one of the following pairs is NOT correctly matched?
3. Helium gas is used in gas balloons instead of hydrogen gas because it is
4. Bakelite is a co-polymer of Phenol and
5. German silver an alloy does not contain the metal
6. Carbon monoxide is an inflammable gas. Which one of the following is also inflammable
7. The acid present in red ants is
8. Which one of the following is not a greenhouse gas
9. Sulphur dioxide level in the atmosphere can be reduced by using