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Question

The following observations were noted while performing an experiment. Find the relative density of the salt solution with the help of the observation noted.
(I) Weight of the stone in the air = 272
(II) Weight of the stone in the water = 192 g
(III) Weight of the stone in the salt solution = 176 g


A

(272 – 192)g/(272 – 176)

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B

(272 – 192)g/(192– 176)

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C

(272 – 192)g/(272 – 192)

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D

(272 – 176)g/(272 – 192)

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Solution

The correct option is

A

(272 – 192)g/(272 – 176)


Observations: Weight of the stone in the air, W1=272g
Weight of the stone in the water, W2=192g
Weight of the stone in the salt solution, W3=176g
Relative Density of the stone in the salt solution=Weight of the stone in the air - Weight of the stone in the WaterWeight of the stone in the air - Weight of the stone in the salt solution

Relative Density of the stone in the salt solution =(W1W2)g(W1W3)g=(272192)g(272176)g


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