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A student wrote four statements about water.

1) Water has a high specific heat capacity which maintains the temperature of water within cells.

2) Mammals rely on water having a relatively low latent heat of vapourisation to keep them cool.

3) When a negatively charged ion is added to water, the δ+ charge on the hydrogen atom is attracted to the ion.

4) When surrounded by water, non-polar molecules tend to be pushed apart from one another.

Which statements are correct?

1 ) 

A

2 ) 

B

3 ) 

C

4 ) 

D

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