L3:Reaction to acids Flashcards
1
Q
how to test for co2
A
put in limewater if it goes cloudy then co2 is present
2
Q
how test for o2
A
if an glowing splint was put near it it would relight showing that oxygen is present
3
Q
how test for hydrogen
A
if a glowingsplint was put near it it it will make a squeaky pop bc the hydrogen reacts with the fire maing a smol explostion
4
Q
fill out this equation below :)
copper + sulphuric acid –> ______ +_____
A
copper + sulphuric acid –> copper sulphate +hydrogen
5
Q
fill out this equation below :)
________ + ________ –> sodium chloride + hydrogen
A
sodium + hydrochloric acid –> sodium chloride + hydrogen
6
Q
what happens when an alkaili metal reacts with water
A
the water become alkali
7
Q
name the state symbols
A
(s)=solid
(l)=liquid
(g)=gas
(aq)=aqueous
