Decane has how many hydrogen atoms?
1). 22
2). 33
3). 11
4). 44
1. Sulphur and Chlorine can have what type of a bond?
2. Metal are good conductors because
3. What is the mass percentage of oxygen in carbon dioxide (CO2)?
4. The pH of lemon juice is expected to be
5. Question 16.22:What are biodegradable and non-biodegradable detergents? Give one example of each.
8. Select the one which is not a mixture :
9. The gas used for artificial fruit ripening of green fruit is
10. Question 4.17:Define electronegativity. How does it differ from electron gain enthalpy?