RPAS Flashcards
1
Q
What acid is used in making salts RPA
A
Copper sulfate
2
Q
What is limiting reactant in making salts RPA
A
Dilute sulphuric acid
3
Q
Why use a conical flask titration RPA
A
Reduces risk of splashing
4
Q
What solutions are used in electrolysis RPAs
A
Copper chloride and sodium chloride
5
Q
What is produced where in electrolysis RPA
A
Cathode = copper or hydrogen
Anode = chlorine
6
Q
Ways to test if chlorine gas is produced
A
Use Damp blue litmus paper and if present it will become bleached
7
Q
Why use polystyrene cup in temperature change RPA
A
Thermal insulator so reduces heat loss
8
Q
What do you do in the temperature change RPA m
A
Add increasing volume of sodium hydroxide to hydrochloric acid and measure the temperature change
