GUJCET 2010 Mathematics Question Paper with Answer Key PDFs (April 08 )

GUJCET Questions

• 1.

  Which of the following is the correct relationship in terms of the physical properties of a substance?
  

  • The substance undergoes a reversible change, resulting in an irreversible process.
    
  • The substance undergoes a change that does not affect the physical state.
    
  • The substance undergoes a reversible change and retains its physical properties.
    
  • The substance undergoes an irreversible change and retains its original form.
    
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• 2.

  What is the total charge required for the reduction of 2/3 moles of Al\(_2\)O\(_3\) to form Al?
  

  • \( 2 \times 96500 \, \text{C} \)
    
  • \( 4 \times 96500 \, \text{C} \)
    
  • \( 3 \times 96500 \, \text{C} \)
    
  • \( 6 \times 96500 \, \text{C} \)
    
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• 3.

  The solution of NaCl is prepared with the following concentrations. What is the volume percentage (V/V) of NaCl?
  

  • 0.6% W/V NaCl
    
  • 1.2% W/V NaCl
    
  • 0.9% W/V NaCl
    
  • 0.8% W/V NaCl
    
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• 4.

  NaOH na solushanshma 0.2 mol NaOH ne 22 grams pani ma dissolve kari ne solution banavyu che. Kemli solution ma NaOH no %W/W kayi hase?
  

  • 35.71% W/W
    
  • 27.78% W/W
    
  • 23.38% W/W
    
  • 64.86% W/W
    
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• 5.

  In the reaction, what is the oxidation state of Mn in the compound MnO\(_2\)?
  

  • +5
    
  • +2
    
  • +4
    
  • +3
    
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• 6.

  What is the most suitable solvent for the reaction to proceed effectively?
  

  • Water
    
  • Alcohol
    
  • Ether
    
  • Acetone
    
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