Table of Contents
Choose the correct options for the following questions.
Ingestion of heavy metals can cause disease:
Difficulty: Easy
A:
Anemia
B:
Kidney diseases
C:
Nervous disorder
D:
All
Leather tanneries use big quantities of:
Difficulty: Easy
A:
Cr VI salts
B:
Cr III salts
C:
Mn-salts
D:
Pb-salts
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