Water

Which of these statements are true?

• Water is a polar molecule.

• The bond between H atom and O atom is non polar covalent bond.

• A water molecule is link to another water molecule by polar covalent bond.

• In water, the oxygen of the molecule has two regions of partial negative charge and each hydrogen has a partial positive charge.

____________ is linking together between same molecules.

_____________ is the measure of how difficult it is to stretch or break the surface of a liquid.

________________ is transformation of a substances from liquid into a gas.

A process where the remaining surface cool due to evaporation of liquid is called _______________

 Which of these statements are is/are correct?

• Solidifies water expands

• Solidifies water becomes denser

• Below 4C water moves slower, less hydrogen bonds break

• At 0C, the molecules become locked into a crystalline lattice

• Water reaches its greatest density at 4C

Explain why glucose dissolve in water.