fundamentals-of-chemistry-questions-for-upsc-examination

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1.
Consider the following statements:
  1. Both Plutonism and Volcanic Eruption involve cooling of Magma
  2. Both Plutonism and Volcanic Eruption involve bulk chemical changes
Which among the above statements is are correct ?
2.
Consider the following statements regarding Graphene and Fullerene: 
  1. Graphene is 2 dimensional , Fullerene is generally 3 dimensional
  2. Graphene is SP2 allotrope of Carbon, while Fullerene is SP3 allotrope of Carbon
  3. Graphene does not dissolve in petrol but fullerenes dissolve
Which among the above statements is / are correct?
3.
Consider the following statements:
  1. Amorphous carbon has lesser surface area than activated Charcoal
  2. Charcoal is obtained from Amorphous Carbon by Pyrolysis
Which among the above statements is / are correct?
4.
An increased silica content in the magma tends to __:
  1. Make it more felsic
  2. Increase its temperature
  3. Make it more explosive
  4. Make it more viscous
Select the correct option from the codes given below:
5.
Consider the following statements about Carbon Monoxide (CO):
  1. It is an indoor pollutant
  2. It is more soluble in blood than in water
  3. It is less dense than air
Which of the above statements is/are correct?