q1. Use your understanding of density of objects and its relation to sinking and floating to explain why do different liquids add in the density tower will not mix and why do you think solid objects dropped will float in different liquids?
q2. What do you think would happen to density if temperature increases?
q3. Oil spills in water are very common in the Gulf region. What do you think the cleaning methods should focus on to remove this oil from water?
Answers
Answer:
1 ith increase in temperature, the distance b/w molecule increases resulting in decrease in inter molecular force of attraction which makes surface tension to decrease.
2 Density is directly proportional to pressure and indirectly proportional to temperature. As pressure increases, with temperature constant, density increases. Conversely when temperature increases, with pressure constant, density decreases.
3 Using Oil Booms. The use of oil booms is a very simple and popular method of controlling oil spills. ...
Using Skimmers. ...
Using Sorbents. ...
Using Dispersants. ...
Hot Water and High-Pressure Washing. ...
Using Manual Labour. ...
Bioremediation. ...
Chemical Stabilisation of oil by Elastomizers.
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Explanation: