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10th Science - Types of Chemical Reactions Four and Seven Marks Questions Question Bank Software Oct-10 , 2019

Types of Chemical Reactions

10th Science - Types of Chemical Reactions Four and Seven Marks Questions

Types of Chemical Reactions Four and Seven Marks Questions

10th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 55
    5 x 4 = 20

  1. What are called thermolysis reactions?

  2. Explain the types of double displacement reactions with examples.

  3. Explain the factors influencing the rate of a reaction

  4. How does pH play an important role in everyday life?

  5. What is a chemical equilibrium? What are its characteristics?

    6. 5 x 7 = 35

  6. Lemon juice has a pH 2, what is the concentration of H+ ions?

  7. Calculate the pH of 1.0 ×10–4 molar solution of HNO3.

  8. What is the pH of 1.0 × 10–5 molar solution of KOH?

  9. The hydroxide ion concentration of a solution is 1 × 10–11M. What is the pH of the solution?

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