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By which chemical specimen for herbaria are treated to prevent fungal attack |
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a) |
0.1% mercuric chloride |
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b) |
0.1% mercurous chloride |
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c) |
Carbon disulphide |
|
d) |
Acetic acid |
|
By which chemical specimen for herbaria are treated to prevent fungal attack |
|
|
a) |
0.1% mercuric chloride |
|
b) |
0.1% mercurous chloride |
|
c) |
Carbon disulphide |
|
d) |
Acetic acid |
|
(a) 0.1% mercuric chloride solution are used to prevent fungal attack on herbarium nepthalene and carbon disulphide are common pesticides |