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[VSQ]Chemistry Q&A For All Competitive Exam||Set 10

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By DEBABRATA MONDAL

Chemistry Q&A For All Competitive Exam

✱✱Q1. Most abundant metal in earth’s crust is ______ . 

⇒ Aluminium


✱✱Q2. 

Balloons are filled with _____ . 

⇒ Helium


✱✱Q3. 

The element common to all acids is _____ . 

⇒ Hydrogen


✱✱Q4. 

Which gas is used in filling electric bulbs ______ ? 

⇒ Argon


✱✱Q5. 

Lightest metal? 

⇒ Lithium


✱✱Q6.

 Acid rain is due to air pollution by? 

⇒ Nitrous Oxide & Sulphur dioxide


✱✱Q7. 

Biogas chiefly contains ______ . 

⇒ Methane


✱✱Q8. 

Chemical used as fixer in Photography is ______ . 

⇒ Sodium thiosulphate


✱✱Q9.

 Aspirin is ______ . 

⇒ Acetyl Salicylic Acid


✱✱Q10.

 _____ is also known as ‘Stranger Gas.’ 

⇒ Xenon





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