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Physical Chemistry

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1 Jun 2007 12:39:11 IST

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water existence

None

Water cannot exist as liquid at

A] 0 O C

B] Zero pressure

C] Zero viscosity

D] In the atmosphere

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CyBorG

Forum Expert

Joined: 6 Jan 2007

Posts: 706

1 Jun 2007 14:52:34 IST

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The answer is B) Zero pressure

Any liquid boils when its vapour pressure becomes equal to atmospheric pressure.So when the atmospheric pressure is zero the liquid immediately boils and hence cannot exist in liquid state.

varsha valli g.

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Joined: 31 Jan 2007

Posts: 515

2 Jun 2007 12:28:41 IST

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why cant it be a) ? water chnges into ice at this temp.

!!!!!!!!!

Ananth Patri

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Joined: 15 Dec 2006

Posts: 1325

2 Jun 2007 12:39:33 IST

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by controlling pressure we can inc. or dec. the freezing point of water .....so a) cant be correct......also c) cant be right as water can exist without viscocity.....we find water in atmosphere hence d) is not right.......the only left is b) and water cant exist at zero prssure.....

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