Answer:
Nickel is extracted from nickel oxide by reduction with carbon. Nickel is a metal which react with atmospheric oxygen which is very reactive in order to protect the inner surface of metal. Carbon extract oxygen which is attached to the nickel in the form of nickel oxide because carbon is more reactive so it made a chemical bonds with oxygen and nickel oxide is converted into a pure nickel.
7 A lead
B Gold
Csilver
8 Afeathrr
B water
C silver
10 seconds = 8grams
then just divide by 2 another 4 times...
= 0.5grams after 50 seconds
Answer:
Oxygen.
Explanation:
The copper must be combined with something in the air.
Using an example like Christmas lights, I would say yes because normally a lot of them would go out if one light is broken.
