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[VSQ]Chemistry Q&A For All Competitive Exam||Set 16

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By DEBABRATA MONDAL

 Chemistry Q&A For All Competitive Exam

✱✱Q1. 

Compounds responsible for temporary hardness of water? 

⇒Bicarbonates of Calcium and Magnesium


✱✱Q2. 

Compounds responsible for permanent hardness of water? 

⇒Sulphates and Chlorides of Calcium and Magnesium


✱✱Q3. 

Gases used for ripening raw fruits? 

⇒Ethylene & Acetylene


✱✱Q4. 

Substance used in Cancer treatment? 

⇒Cobalt – 60


✱✱Q5. 

Cobalt is found in? 

⇒Vitamin B12


✱✱Q6. 

Iron is extracted from which ore? 

⇒Hematite


✱✱Q7. 

Aluminum is extracted from which ore? 

⇒Bauxite


✱✱Q8. 

Best sources for Vitamin D are? 

⇒Sunlight & Fish liver


✱✱Q9. 

Zinc Phosphide is used as? 

⇒Rat Poison


✱✱Q10. 

Fuse wire is made up of ______ 

⇒Lead and Tin




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SET 15 [PREV]


SET 17 [NEXT]

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