CBSE Class 10 Science Compartment Question Paper 2024 with Answer Key (Set 3- 31/S/3)

CBSE X Questions

• 1.

  For any natural number n, \( 5^n \) ends with the digit :
  

  • 0
    
  • 5
    
  • 3
    
  • 2
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• 2.

  A conical cavity of maximum volume is carved out from a wooden solid hemisphere of radius 10 cm. Curved surface area of the cavity carved out is (use \(\pi = 3.14\))
  

  

  • \(314 \sqrt{2}\) \(\text{cm}^{2}\)
    
  • \(314\) \(\text{cm}^{2}\)
    
  • \(\frac{3140}{3}\) \(\text{cm}^{2}\)
    
  • \(3140 \sqrt{2}\) \(\text{cm}^{2}\)
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• 3.

  (a) Why did many Europeans migrate to America after the sixteenth century? Explain. OR (b) How did trade and long distance travel contribute to the spread of diseases during the ancient period? Explain.

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• 4.

  Show the formation of ionic compound CaO with electron dot structure.

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• 5.

  Arrange the following events in chronological order and choose the correct option: I. Salt Satyagraha
  II. Kheda Satyagraha
  III. Rowlatt Satyagraha
  IV. Ahmedabad Mill Workers Satyagraha

  • II, I, III, IV
    
  • II, IV, III, I
    
  • III, II, IV, I
    
  • II, I, IV, III
    
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• 6.

  Prove that: \(\frac{\sec^3 \theta}{\sec^2 \theta - 1} + \frac{\csc^3 \theta}{\csc^2 \theta - 1} = \sec \theta \cdot \csc \theta (\sec \theta + \csc \theta)\)
  

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