Why is there a need to determine the densities of solid and liquid? Cite their significance.?

Question

Why is there a need to determine the densities of solid and liquid? Cite their significance.

Why is it necessary to eliminate air bubbles in the cylinder when measuring the volume of the pebble?

Suppose the pebble is not completely covered with water, how would this affect the calculated density?

What is the standard density of water? Describe the meaning of the said standard with corresponding meaning of the units used.

Answer 1

You clearly did not study your lesson and have a homework assignment due. You want others to provide the answer and hope to pass the test by good luck or similar means. It will not work.

Master the lesson and do your homework.