TS POLYCET Question Paper 2023 (Available): Check Previous Year Question Paper with Solution PDF (2023-2016)

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• 1.

  The number of elements present in the fifth period of the modern periodic table:

  • 8
    
  • 10
    
  • 18
    
  • 32
    
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• 2.

  The volume of CO\(_2\) liberated in litres at STP when 25 g of CaCO\(_3\) is treated with dilute HCl containing 14.6 g of HCl is:

  • 22.4 L
    
  • 11.2 L
    
  • 4.48 L
    
  • 44.8 L
    
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• 3.

  Which one of the following processes involves chemical change?

  • Melting of ice
    
  • Boiling of water
    
  • Respiration
    
  • Dissolving salt in water
    
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• 4.

  If \( A \) is the set of odd numbers less than 6 and \( B \) is the set of prime factors of 30, then:

  • \( A \cup B = \{ 1, 3, 5, 2, 3, 5 \} \)
    
  • \( A \cap B = \{ 3, 5 \} \)
    
  • \( A \neq B \)
    
  • \( A \cup B = \{ 1, 3, 5, 2, 3 \} \)
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• 5.

  If \( A = \{1, 2, 3, 4, 5\} \) and \( B = \{1, 3, 5, 7\} \), then \( n(A \cap B) = \dots \):

  • \( 3 \)
    
  • \( 4 \)
    
  • \( 2 \)
    
  • \( 1 \)
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