Identify the metal which is nontoxic in nature
1). Chromium
2). Gold
3). Cadmium
4). Cobalt
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1. The gas used for artificial ripening of green fruit is
2. What is the maximum Water Vapour content in the atmosphere
3. Which of the most reactive metal?
5. The Chemical formula of Cadmium nitrate is _____.
7. The function of skimming tank in sewage treatment is to remove
8. Which of the following vitamins is generally excreted by human in urine?
10. The acid which is secreted by the glands in the stomach wall is