AP POLYCET Question Paper 2020 (Available): Check Previous Year Question Paper with Solution PDF (2023-2017)

AP POLYCET 2020 Questions

• 1.

  What is the product formed when magnesium ribbon is burnt in oxygen?

  • Magnesium chloride
    
  • Magnesium oxide
    
  • Magnesium carbonate
    
  • Magnesium hydroxide
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• 2.

  What is the law of conservation of mass?

  • Energy can be created in a reaction
    
  • The number of reactants must always equal the number of products
    
  • Mass and energy are interchangeable during reactions
    
  • Mass can neither be created nor destroyed in a chemical reaction
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• 3.

  What is the law of conservation of mass?

  • Energy can be created in a reaction
    
  • The number of reactants must always equal the number of products
    
  • Mass and energy are interchangeable during reactions
    
  • Mass can neither be created nor destroyed in a chemical reaction
  View Solution

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• 4.

  What is the significance of writing physical states in a chemical equation?

  • To provide information about the physical form of substances
    
  • To show the mass of reactants and products
    
  • To balance the equation more accurately
    
  • To indicate the catalyst used in the reaction
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• 5.

  What is the process called when fats and oils are oxidised and their smell and taste change?

  • Corrosion
    
  • Rancidity
    
  • Combustion
    
  • Oxidation
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