Question

Answer the following questions in one sentence each.
1. Discover the type of friction acting between a wooden box and the floor where the box is
kept.
2. State the effect of force when we squeeze toothpaste from the tube.
3. List three essential requirements to produce fire.
4. What do you mean by refining of Petroleum?​

Answer 1

Answer:

1) static friction

Explanation:

2)Hand is the agent and toothpaste is the object and coming out from the paste from the toothpaste tube is the effect of force . The force can be seen in the force of jump.

3) oxygen, heat and fuel

4)these are the chemical engineering processes and others facilities used in petroleum refineries to tarsform crude oil into useful products such l as LPG , PETROL, KEROSINE, JET FUEL, DISEL OIL ....

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