Day before Flashcards
1
Q
Sulfur combusion observation
A
Blue flame
2
Q
Define an alloy
A
A mixture of a metal with one or more other elements
3
Q
Conditions for cracking
A
650’ and Aluminium Oxide catalyst
4
Q
Lithium ion flame test
A
Red
5
Q
Sodium ion flame test
A
Yellow
6
Q
Potassium ion flame test
A
Lilac
7
Q
Calcium ion flame test
A
Orange-red
8
Q
Cu 2+ ion flame test
A
Blue-green
9
Q
Sodium hydroxide test
A
Dissolve in water and add NaOH
10
Q
NaOH test for copper 2+
A
Blue
11
Q
NaOH test for Fe 2+
A
Green
12
Q
NaOH test for Fe 3+
A
Brown
13
Q
Ammonium test
A
Dissolve in water, add NaOH, gas turn red litmus blue
14
Q
Conditions for hydration of ethene
A
300c, 65atm, phosphoric acid
15
Q
Conditions for fermentation of glucose
A
yeast, 30c, anaerobic
