InterviewSolution
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InterviewSolution
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Fill in the Blanks 1. ……… exists in nature as silicates, carbonates, oxides and water. 2. Metals like magnesium, iron and sodium bum with oxygen and give basic ……… 3. ……. has pH less than 5.6. 4. CO2 is along with ……… in the manufacture of fertilizers like urea. 5. CO2 , N2O, CH4 and CFC are known as ……………. 6. ……… is used to prepare soft drinks or aerated drinks.7. ……… is used as a substitute for compressed air in tyres. 8. Liquid nitrogen is used as a ………9. Oxygen is used to oxidize ……. 10. Phosphorous bums with suffocating smell and gives ……… |
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Answer» 1. Oxygen 2. Oxides 3. Acid rain 4. ammonia 5. Greenhouse gases 6. CO2 7. Nitrogen 8. refrigerant 9. rocket fuel 10. Phosphorous pentaoxide |
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