Bio Chem Flashcards
earth’s surface is covered by — water
71%
salt water
97%
freshwater in glacier and ice caps
2%
freshwater
1%
it is the movement of water on earth and in the atmosphere between different states
the water cycle
gas to liquid
condensation
liquid to gas
evaporation
liquid to solid
freezing
solid to liquid
melting
gas to solid
deposition
solid to gas
sublimation
is any liquid or frozen water that forms in the atmosphere and falls back to the earth
precipitation
- drink for good health
- pH balance
- antioxidants
alkaline water
- use for hair and skin
- first aid
- sanitizing surfaces
acidic water
- most tap water
- little or no effect
- safe for drinking
neutral pH water
- does not exist in nature
- can become acidic
- lacks essential minerals
- not safe to drink
pure water
basic and pinaka safe na inumin
pH 9 water
taste sour
acids
react with some metals to give off hydrogen gas
acids
conduct electricity in solution
acids
taste bitter
bases
feel slippery
bases
dissolve fats and oils
bases
pag may H acid, pag may OH base
arrhenius theory
proponent of arrhenius theory
svante arrhenius