VPH-0060
QUESTION
Microbial inhibitor used in detergent solution for cleaning of aluminium surfaces?
OPTIONS
(A) Sodium sulphate
(B) Sodium hydroxide
(C) Sodium metasilicate
(D) Sodium carbonate
ANSWER
(C) Sodium metasilicate
EXPLANATION
Sodium metasilicate is used in detergent solutions for aluminum surfaces because it helps inhibit corrosion while supporting cleaning. Sodium sulfate, sodium hydroxide, and sodium carbonate do not provide the same specified protective role.
Question Navigator
Veterinary Public Health and Epidemiology · 121 Questions
60
/
121
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121