Question

fill in the blanks
1. the process of separations of different components of petroleum by fractional distillation is called_______ 2.coke is obtained by _______of coal
3. __________ is the least polluting fuel for motor vehicles.
4. the fraction of petroleum which boils below 40 degree celsius is called ______ and is used as ______.
5. petroleum occurs in nature between the layers of________.
6. gases like ______ and ______ are responsible for global warming.
7. disinfecation of water treatment plant is done by______.
8. Acid rain is harmful for _____ and _____.
9. increasing concentration of green house gases leads to _____.
10.two poisonous chemicals that contaminated water are ____ and ____.​

Answer 1

Answer:

$\huge\pink{fractional \: distillation}$

Explanation: