NEET 2022 Physics Question Paper with Solutions PDF Code T1

NEET Questions

• 1.

  Minority carriers in a $p-type$ semiconductor are

  

  • Holes
  • Free electrons
  • Both holes and free electrons
  • Neither holes nor free electrons
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• 2.

  A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates

  • increases
  • decreases
  • does not change
  • becomes zero
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• 3.

  The reagent which can do the conversion $CH _{3} COOH \longrightarrow CH _{3}- CH _{2}- OH $ is

  

  • $LiAIH_4$ / ether
  • $H_2, Pt$
  • $NaBH_4$
  • $Na$ and $C_2H_5OH$
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• 4.

  Penicillin was first discovered by

  • Alexander Fleming
  • Tence and Salke
  • S.A. Waksman
  • Louis Pasteur
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• 5.

  Conjugate acid of $SO_4^{2-}$ is

  • $HSO^-_4$
  • $HSO_4$
  • $H_2SO_4$
  • $SO^{2-}_4$
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• 6.

  Which of the following is not true for oxidation?

  • addition of oxygen
  • addition of electronegative element
  • removal of hydrogen
  • removal of electronegative element
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