1. What conclusion would you draw from the above experiment?

Question

Ruthresh, Hari, Kanishka and Thahera collected different samples of water from a well, a pond, a river and underground water. All these samples were sent to a testing laboratory. The test result showed the ratio of hydrogen to oxygen as 1:8. 

1. What conclusion would you draw from the above experiment? 

2. Which law of chemical combination does it obey?

Answer 1

1. Water obtained from different sources like a well, a pond, a river and underground water  will always consist of the same two elements hydrogen and oxygen in the ratio 1 : 8 by mass. 

2. It obeys the law of constant proportion.