chem reactions Flashcards
1
Q
oxygen+metal
A
metal oxide
2
Q
metal oxide+carbon
A
metal+carbon dioxide
reduction of oxide by carbon
3
Q
what is an example of a metal extracted by hydrogen from its ore
A
tungsten oxide+hydrogen–>tungsten+water(steam)
4
Q
how are metals more reactive than carbon extracted
A
electrolysis
5
Q
metal+acid
A
salt+hydrogen
6
Q
acid+base
A
a salt+water
7
Q
acid+alkali
A
salt+water
8
Q
acid+carbonate
A
salt+water+carbon dioxide
9
Q
alcohol+oxygen
A
CO2+water
10
Q
carbon+hydrogen
A
CO2+H20