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A spherical balloon of 21 cm diameter is...

A spherical balloon of 21 cm diameter is to be filled up with hydrogen at NTP from a cylinder containing the gas at 20 atmospheres at 27°C. If the cylinder can hold 2.82 litres of water, calculate the number of balloons that can be filled up

A

10

B

4

C

6

D

8

Text Solution

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