The chemical formula of the laughing gas is
A). NO
B). N2O
C). NO2
D). N2O3
N2O
Nitrous oxide(N2o) is a colourless, sweet-tasting gas. It is also known as "laughing gas".
1. Which of the following elements is non radioactive ?
2. Which one of the following organic compounds has fruity smell?
3. Who played the lead character in the movie 'Bandit Queen'?
4. Black lung disease occurs in people working in
5. Which one of the following does not contain Silver ?
6. All isotopes of the same element have ________