Burning pyrites ore gives out
1). Carbon dioxide gas
2). Sulphur dioxide gas
3). Nitrogen dioxide gas .
4). Nitric oxide gas:
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1. Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?
2. Question 14.4:List gases which are responsible for greenhouse effect.
3. The heat energy produced when the human body metabolises 1 gram of fat is
4. 435: Conduction band electrons have more mobility than holes because they
5. For what is Radiocarbon dating technique used?
6. Question 11.33:An aqueous solution of borax is(a) neutral (b) amphoteric(c) basic (d) acidic
7. Domestic cooking gas consists mostly of
8. Which of the following is an iron ore
9. The Chemical formula of Ammonium oxalate is _____.
10. Which of the following is not a derivative of barbituric acid?