ch3 Flashcards
(10 cards)
1
Q
equation for burning metal in air
A
metal + oxygen = metal oxide
2
Q
what gas is produced when reacting metals in water
A
hydrogen
3
Q
what does lithium do in water
A
fizzes across surface and produces hydrogen
4
Q
what does sodium do in water
A
produses hydrogen, fizzes across surface and rolls into a ball
5
Q
what does pottasium do in water
A
fizzes across surface, catches fire, lilac flame
6
Q
word equation for reacting metals in water
A
metal + water = metal hydroxide + hydrogen
7
Q
magnesium reaction with water
A
a few bubbles
8
Q
copper in water
A
no reaction
9
Q
calcium in water
A
ainks and rises produces hydrogen
10
Q
how does aluminium resist corrosion
A
it forms an oxide layer
