Tests Flashcards
1
Q
Flame test for lithium?
A
Crimson
2
Q
Flame test for sodium?
A
Yellow
3
Q
Flame test for potassium?
A
Lilac
4
Q
Flame test for calcium?
A
Red
5
Q
Flame test for copper?
A
Turquoise
6
Q
React with sodium hydroxide Cu2+
A
Blue
7
Q
React with sodium hydroxide Fe2+
A
Green
8
Q
React with sodium hydroxide Fe3+?
A
Brown
9
Q
React silver nitrate with Cl-?
A
White precipitate
10
Q
React silver nitrate with Br-
A
Cream precipitate
11
Q
React silver nitrate with I-?
A
Pale yellow
12
Q
Test for NH4? (Ammonium)
A
Add sodium hydroxide, gas turns litmus paper blue.
13
Q
Test for sulphate ions?
A
Add HCl, add barium chloride, white precipitate.
14
Q
Hydrogen?
A
Lighted spill goes out with a squeaky pop.
15
Q
Oxygen?
A
Relights glowing splint.
16
Q
CO2?
A
Turns limewater cloudy.
17
Q
Ammonia?
A
Litmus paper blue?
18
Q
Chlorine?
A
Bleaches litmus paper white.
