NEET 2024 Chemistry Question Paper with Answers and Solutions PDF Q1

NEET Questions

• 1.

  एक एकसमान धात्विक तार, जिसका प्रतिरोध 4Ω है, को एक वर्गाकार लूप (ABCD) (चित्र देखें) के रूप में मोड़ा गया। एक 2Ω का प्रतिरोध बिंदुओं B और D के बीच जोड़ा गया और एक 2 V की बैटरी को बिंदुओं A और C के आरपार जोड़ा गया जैसा कि चित्र में दिखाया गया है। अब धारा (I) का मान है: 
   

  

  • 2 A
    
  • 4 A
    
  • 8 A
  • 4.5 A
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• 2.

  A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately)? ____.
  

  • 121 W
    
  • 200 W
    
  • 400 W
    
  • 331 W
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• 3.

  The number of hydrogen atoms present in \(5.4\text{ g}\) of urea is: \[ \text{Given: Molar mass of urea }=60\text{ g mol}^{-1} \] \[ N_A=6.022\times10^{23}\text{ particles mol}^{-1} \]

  • \(2.168\times10^{22}\)
    
  • \(2.168\times10^{23}\)
    
  • \(1.084\times10^{22}\)
    
  • \(1.084\times10^{23}\)
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• 4.

  When \(1\ dm^3\) of \(CO_2\) gas is passed over hot coke, the volume of gaseous mixture after complete reaction at STP becomes \(1.4\ dm^3\). The composition of the gaseous mixture at STP is:

  • \(0.6\ dm^3\) of \(CO\), \(0.8\ dm^3\) of \(CO_2\)
    
  • \(0.6\ dm^3\) of \(CO\), \(0.9\ dm^3\) of \(CO_2\)
    
  • \(0.8\ dm^3\) of \(CO\), \(0.6\ dm^3\) of \(CO_2\)
    
  • \(0.8\ dm^3\) of \(CO\), \(0.7\ dm^3\) of \(CO_2\)
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• 5.

  A box of mass 15 kg is kept on the floor of a stationary trolley. The coefficient of static friction between the box and the trolley is 0.12. Keeping the box in stationary state over the trolley, the maximum acceleration with which the trolley can be moved horizontally in m s⁻² is: ____.
  

  • 1.2
    
  • 1.8
    
  • 1.5
    
  • 2.1
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• 6.

  The WBC count of a person's blood sample is 8000/cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately ?

  • 300 - 500/cu.mm and 500 - 700/cu.mm, respectively
    
  • 300 - 500/cu.mm and 1200 - 1500/cu.mm, respectively
    
  • 100 - 120/cu.mm and 160 - 200/cu.mm, respectively
    
  • 160 - 240/cu.mm and 1600 - 2000/cu.mm, respectively
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