Class 10 Chemical Reactions and Equations

Total Question : 30 Nos.

 

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#1. Which of the following is a chemical change?

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#2. What is formed when zinc reacts with hydrochloric acid?

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#3. What type of reaction is represented by: 2H2 ​ +O2 ​ →2H2 O

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#4. Which of the following is a redox reaction?

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#5. The process of adding oxygen to a substance or removing hydrogen from it is called:

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#6. Which of the following is a combination reaction?

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#7. What is the general form of a decomposition reaction?

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#8. Which of the following is an example of a double displacement reaction?

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#9. What is the product of the reaction between an acid and a base?

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#10. Which of the following is not a property of a chemical change?

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#11. Which of the following metals does not react with cold water?

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#12. In a reaction between an acid and a base, which of the following is produced?

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#13. Which of the following statements is incorrect regarding chemical reactions?

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#14. Which of the following gases is produced when an acid reacts with a metal?

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#15. What is the product of the reaction between copper and dilute nitric acid?

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#16. Which of the following is an example of a redox reaction?

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#17. What is the name of the reaction when two or more substances combine to form a single product?

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#18. Which of the following is not a characteristic of a physical change?

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#19. Which of the following is used as an indicator in neutralization reactions?

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#20. What happens when zinc reacts with hydrochloric acid?

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#21. Which of the following reactions involves oxidation?

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#22. Which of the following does not undergo a chemical reaction with oxygen?

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#23. What is the product when magnesium reacts with oxygen?

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#24. What is formed when an acid reacts with a metal carbonate?

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#25. Which of the following is a characteristic of an exothermic reaction?

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#26. What is the balanced chemical equation for the reaction between sulfur and oxygen to form sulfur dioxide?

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#27. Which of the following is not an example of a chemical reaction?

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#28. In the reaction: 2𝑁𝑎𝑂𝐻 + 𝐻2𝑆𝑂4 → 𝑁𝑎2𝑆𝑂4 + 2𝐻2𝑂2 What type of reaction is this?

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#29. Which of the following is a feature of a displacement reaction?

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#30. What is the product of the reaction of potassium permanganate with hydrogen peroxide?

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