The mass of an empty density bottle is 30g. When filled with a liquid, the mass reduces to 38g. Calculate the apparent cubic expansivity of the liquid.

A. 6.25 x 10K-1

B. 6.25 x 10^-3K-1

C. 2.50 x 10^-3K-1

D. 2.50 x 10^-4K-1

Correct Answer: Option B

**B. 6.25 x 10^-3K-1**

Explanation

Apparent cubic expansivity = mass of hot liquid expelled/mass of hot liquid left x temp. rise

= 2/8×40=0.00625

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