Question

4. Name a technique used to separate petrol from crude oil true and false
5. Name any any three diseases transmitted through vectors true and false​

Answer 1

Answer:

=> The complex mixture of hydrocarbons in crude oil can be separated into fractions by the technique of fractional distillation. The laboratory demonstration of the fractional distillation is illustrated on the right diagram.

=> With several vector-borne dis- eases animal hosts are important reservoirs. Vector-borne diseases include yellow fever, malaria, sleeping sickness, plague, epidemic louse-borne typhus fever, and louse-borne relapsing fever.

Explanation:

I hope it helps you.

Answer 2

Explanation:

the technique used to seperate petrol from crude oil is fractional distillation