chemistry Flashcards
(20 cards)
the water cycle consists of
evaporation, condensation, transpiration, precipitation , surface runoff ground water
what is a fossil fuel
a naturally occurring substance, often used as a source of energy, that formed from the remains of ancient organisms
water is a
compound
anhydrous?
of a substance, especially a crystalline compound) containing no water.
acidic rain is caused by?
carbon dioxide, sulfur dioxide nitrogen dioxide
effects of acidic rain
increased flooding increased drought and famine migration of animals
hydrogen+oxygen?
water
incomplete combustion?
soot
what does anhydrous do when its put in water
it turns blue
why does displacement happen
it happens when more reactive metal can displace a less reactive metal from its compound
metal+oxygen=?
metal oxide
non-metal+oxygen=
non-metal oxide
metal oxide+acid -?
salt+water
when metal carbonate reacts with an acid u get?
salt+carbon dioxide+ water
carbon dioxide test
lime water test
hydrogen test
pop sound test
another name for displacement?
single displacement reaction
what is rusting
rusting is when iron reacts with water and oxygen to form a reddish-brown substance called rust
four methods to prevent rusting
powder coating
oiling painting organic coating
metal+acid__>
salt+hydrogen
