CHLORINE

 
FILM                               PRINT
 
1. Watch the film and answer the questions:

a. How was chlorine used during the First World War?

b. Where can we find chlorine?

c. Which metal doesn't react with chlorine?

d. How long does it take chlorine to consume iron?

e. What happens to aluminum in the air which is rich in chlorine?

 

2. Fill the gaps in the sentences below:


a. Chlorine wants another electron to get that ............................ and it will move heaven and earth to get that electron!

b. ... so now we're starting to fill that flask with chlorine; it's quite ............................, so it will stick to the bottom of the flask it's not like a light gas like ............................ or...........................

c. Chlorine is quite ........................, it reacts with water to make an acid, HCl.

d. We're going to heat the aluminum in that .......................... and then we're going to put the hot aluminum into the flask of chlorine, then hopefully we'll see, the chlorine will react with the aluminum and we'll get 6............................ of aluminum trichloride.

e. Chlorine removes an ............................ from the metal to make the chloride ion Cl-, and the ............................ is perfectly innocuous, you can drink, you can eat chloride, whereas ............................ itself is very poisonous.