It is heavier due to the fact that it contains salts and other substances dissolved in the saliva. You would say it is 'denser' not heavier.
Yes molasses is heavier than water
yes sand is heavier than water:)
ice is not heavier than water
It is 1.84 times heavier than water.
No. Molten rock is heavier than water.
Water is heavier than diesel fuel
no vinegar is heavier
Depends on the solute: alcohol in water is lighter, salt in water is heavier than water.
Salt water's density greater (not heavier) than that of pure water.
Water is heavier than diesel fuel
No, water is heavier than air.