CHEMISTRY ONE LINER SET 27

CHEMISTRY ONE LINER SET 27

1. Which pair does not contain a coinage metal? Zinc and Gold
 
2. What is the most soluble in water? Sugar
 
3. From where can renewable energy be obtained? Biomass
 
4. When ice melts into water, which type of change occurs in entropy? Increases
 
5. The pH of water at 25°C is 7. Remains same
 
6. Which is produced during allergic reactions? Histamine
 

7. What is the mixture of carbon monoxide and hydrogen called? Water gas
 
8. In the leaf of tobacco what is found? Nicotin
 
9. In which Molecule the distance between two adjacent carbon atoms is longest? Ethane
 
10. Which charcoal is used to deeolourise raw sugar? Wood charcoal