Which of the following pollutants is biodegradable ?
...Which of the following pollutants is biodegradable ?
Sewage
Plastics
Metal scrape
Lead compounds
Hydrogen sulphide
Correct answer is A
No explanation has been provided for this answer.
Water has a rather high boiling point despite its low molecular mass because of the presence of? ...
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Which of the following statements about a chemical system in equilibrium is correct/ The ...
Which of the following statements is NOT correct of group VII elements? They ...
The positive of an element in the Periodic Table is determined by ...
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