GUJCET 2019 Biology Question Paper with Answer Key PDFs (April 26 )

GUJCET Questions

• 1.

  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
    
  View Solution

  ---

• 2.

  What is the pKa value of the given compound?
  

  • \(\text{CH}_3\text{CH}_2\text{COOH}\)
    
  • \(\text{ClCH}_2\text{COOH}\)
    
  • \(\text{C}_6\text{H}_5\text{CH}_2\text{COOH}\)
    
  • \(\text{HCOOH}\)
    
  View Solution

  ---

• 3.

  Kemi samagri ni enthalpy ma kyare badi badlavi aave che?
  

  • \(\text{C}_6\text{H}_5\text{NH}_2 + \text{OH}\)
    
  • \(\text{C}_6\text{H}_5\text{CH}_2\text{OH} + \text{COOH}\)
    
  • \(\text{CH}_3\text{OH} + \text{CH}_3\text{COCH}_3\)
    
  • \(\text{CH}_3\text{CH}_2\text{Cl} + \text{OH}\)
    
  View Solution

  ---

• 4.

  What is the electronic configuration for \( [Ni(CN)_4]^{2-} \)?
  

  • \( [Ni(CN)_4]^{2-} \) has a \( d^8 \) configuration.
    
  • \( [Ni(CN)_4]^{2-} \) has a \( d^{sp^2} \) configuration.
    
  • \( [Ni(CN)_4]^{2-} \) has a \( d^6 \) configuration.
    
  • \( [Ni(CN)_4]^{2-} \) has a \( d^4 \) configuration.
    
  View Solution

  ---

• 5.

  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.
    
  View Solution

  ---

• 6.

  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
    
  View Solution