Class 10 Practice Level 2 – Acids, Bases and Salts – Set 2 Leave a Comment / By Gulam Hamza / July 29, 2024 Class 10 Practice Level 2 - Acids, Bases and Salts - Set 2 Total questions: 25 1. Which of the following will neutralize hydrochloric acid? Topic: Properties of Acids and Bases Sodium chloride Sodium hydroxide Sodium carbonate Sodium sulphate None 2. What is the colour change of methyl orange in a basic solution? Topic: Common Indicators Red Yellow Blue Green None 3. Which solution has the highest concentration of hydrogen ions? Topic: pH Scale pH 1 pH 4 pH 7 pH 10 None 4. Which gas is released when sodium carbonate reacts with sulfuric acid? Topic: Reaction with Carbonates Hydrogen Oxygen Carbon dioxide Nitrogen None 5. Which of the following is a property of hydrochloric acid? Topic: Properties of Acids It is slippery to touch It turns blue litmus paper red It reacts with bases to form carbon dioxide It has a bitter taste None 6. What is formed when potassium hydroxide reacts with sulfuric acid? Topic: Neutralization Reaction Potassium sulphate and water Potassium chloride and water Potassium carbonate and water Potassium nitrate and water None 7. If a solution changes the colour of red litmus paper to blue, what can be said about the solution? Topic: pH of Solutions It is acidic It is basic It is neutral It is a salt solution None 8. Which of the following acids is used in the pickling of metals? Topic: Common Acids Acetic acid Citric acid Hydrochloric acid Sulfuric acid None 9. Which base is used in the manufacture of soap? Topic: Reaction with Bases Sodium carbonate Sodium hydroxide Calcium hydroxide Ammonium hydroxide None 10. Which indicator will turn blue in an alkaline solution? Topic: Indicators Methyl orange Phenolphthalein Litmus Bromothymol blue None 11. Which of the following metals does not react with hydrochloric acid? Topic: Reaction with Metals Zinc Magnesium Iron Copper None 12. What is the pH of a solution that is neither acidic nor basic? Topic: pH Scale 0 7 14 10 None 13. What type of reaction occurs when an acid reacts with a metal? Topic: Acid-Base Reactions Displacement reaction Neutralization reaction Decomposition reaction Combustion reaction None 14. Which of the following properties is characteristic of bases? Topic: Properties of Bases They turn blue litmus paper red They have a sour taste They react with acids to form salts They are non-conductors of electricity None 15. Which base is commonly found in household bleach? Topic: Common Bases Sodium carbonate Sodium hydroxide Calcium hydroxide Ammonium hydroxide None 16. Which of the following has a pH less than 7? Topic: Common Substances Blood Seawater Lemon juice Baking soda solution None 17. Which of the following will turn phenolphthalein colourless? Topic: Acidic and Basic Solutions Sodium hydroxide Ammonium hydroxide Hydrochloric acid Potassium hydroxide None 18. Which acid is used in car batteries? Topic: Uses of Acids Hydrochloric acid Sulfuric acid Acetic acid Nitric acid None 19. Which of the following salts is used in the food industry as a preservative? Topic: Salts Sodium chloride Sodium bicarbonate Sodium benzoate Sodium hydroxide None 20. What is formed when zinc reacts with hydrochloric acid? Topic: Reaction with Acids Zinc chloride and hydrogen gas Zinc sulphate and water Zinc carbonate and oxygen gas Zinc oxide and carbon dioxide None 21. Which of the following statements about acids is correct? Topic: Properties of Acids They taste bitter They turn red litmus blue They feel slippery They release hydrogen ions in water None 22. Which solution will have a pH greater than 7? Topic: pH of Solutions Lemon juice Vinegar Baking soda solution Tomato juice None 23. Which of the following indicators will turn red in an acidic solution? Topic: Acid-Base Indicators Phenolphthalein Methyl orange Bromothymol blue Litmus None 24. Which of the following substances is amphoteric (can act as both an acid and a base)? Topic: Properties of Acids and Bases Hydrochloric acid Sodium hydroxide Water Sulfuric acid None 25. Which base is used in antacids to neutralize stomach acid? Topic: Uses of Salts Sodium hydroxide Magnesium hydroxide Potassium hydroxide Calcium hydroxide None 1 out of 25 Time's up
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