Question: PHYSICS TOPIC: DENSITY ANSWER THE FOLLOWING STRAIGHT TO THE POINT. 1. How can you distinguish Fool's Gold from pure gold? 2. The solid samples used

PHYSICS

TOPIC: DENSITY

ANSWER THE FOLLOWING STRAIGHT TO THE POINT.

1. How can you distinguish "Fool's Gold" from pure gold? 2. The solid samples used in the experiment are denser than water. How will you determine the density of a solid that is less dense than water? Explain the formula that you will use.

3. The suitability of a person to donate blood may be tested by placing a drop of his blood in a saline solution of density 1.03g/cc. Is he a suitable donor if the drop of blood sinks? Explain your answer.

4. What is the meaning of the expression "tip of the iceberg"? Is there a physical basis for this?

5. Normal relative density of urine is from 1.015 - 1.030. What might be said if during urinalysis, a specific gravity higher than normal is obtained?

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