0620 Chemistry MCQs Flashcards
1
Q
A
B: Q to R
2
Q
A
B: C2H6
3
Q
A
D: Same number of outer electrons.
4
Q
A
A: Bromine atoms form negatively charged bromide ions.
5
Q
A
C: Ionic - Covalent
6
Q
A
B: 2+ - XY2
7
Q
A
D: It has mobile electrons.
8
Q
A
B
9
Q
A
A: 0.93g
10
Q
A
C: Dilute aqueous sodium chloride.
11
Q
A
D
12
Q
A
B: Endothermic + positive.
13
Q
A
C: 2 and 4
14
Q
A
D: 3 only
15
Q
A
D
16
Q
A
C
17
Q
A
C
18
Q
A
A
19
Q
A
D
20
Q
A
B
21
Q
A
B
22
Q
A
C
23
Q
A
A
24
Q
A
B
25
Q
A
C
26
Q
A
A
27
Q
A
A
28
Q
A
B
29
Q
A
B
30
Q
A
D
31
Q
A
C
32
Q
A
A
33
Q
A
A
34
Q
A
B
35
Q
A
C
36
Q
A
A
37
Q
A
A
38
Q
A
B
39
Q
A
C
40
Q
A
D
41
Q
A
D
42
Q
A
C
43
Q
A
B
44
Q
A
A
45
Q
A
B
46
Q
A
A
47
Q
A
A
48
Q
A
B
49
Q
A
B
50
Q
A
A
51
Q
A
C
52
Q
A
B
53
Q
A
D
54
Q
A
C
55
Q
A
C
56
Q
A
A
57
Q
A
B
58
Q
A
C
59
Q
A
D
60
Q
A
B
61
Q
A
D
62
Q
A
A
63
Q
A
C
64
Q
A
B
65
Q
A
D
66
Q
A
C
67
Q
A
A
68
Q
A
A
69
Q
A
B
70
Q
A
B
71
Q
A
D
72
Q
A
C
73
Q
A
C
74
Q
A
D
75
Q
A
D
76
Q
A
C
77
Q
A
A
78
Q
A
C
79
Q
A
D
80
Q
A
B
