Class 10 Chemistry: Acids, Bases, and Salts – Set E

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📌 Quiz: SCIENCE
📚 Subject: SCIENCE
🏫 Class: 10TH
📖 Chapter: ACIDS BASES AND SALTS-D
📝 Questions: 50

📘 SCIENCE

SCIENCE | ACIDS BASES AND SALTS-D
📝 Questions: 50 ⏱️ Timer: 20 min
Q1. A solution turning red litmus blue has pH close to:
Q2. Washing soda is used to remove:
Q3. Plaster of Paris is chemically:
Q4. Distilled water does not conduct electricity because it:
Q5. Plaster of Paris is named so because:
Q6. Washing soda has the chemical formula:
Q7. Plaster of Paris reacts with water to form:
Q8. Washing soda is used in:
Q9. On heating copper sulphate crystals, their colour becomes:
Q10. Heating NaHCO₃ produces carbon dioxide, water and:
Q11. Baking soda added to milk delays curd formation because:
Q12. Acid reacting with metal carbonate produces:
Q13. Sodium hydrogen carbonate is used in:
Q14. Plaster of Paris is obtained by heating gypsum at:
Q15. Water of crystallisation is:
Q16. Washing soda is obtained by recrystallisation of:
Q17. Chemical formula of Plaster of Paris is:
Q18. Washing soda is a:
Q19. Acidic and basic solutions conduct electricity because they produce:
Q20. The gas responsible for making cakes and bread fluffy is:
Q21. Sodium hydrogen carbonate neutralises stomach acid because it is:
Q22. Baking powder contains baking soda and:
Q23. Acidic nature of a substance is due to:
Q24. When water is added back to anhydrous copper sulphate, the blue colour:
Q25. Strong acid shows:
Q26. Tartaric acid is added to baking soda in baking powder to:
Q27. The common name of CaOCl₂ is:
Q28. Mixing acid with water is:
Q29. Egg-shell reacts with acid to give CO₂, hence the acid present is:
Q30. Acid reacting with metal produces:
Q31. A neutral solution has pH:
Q32. Copper sulphate crystals appear blue because of:
Q33. Acid-base indicators are:
Q34. Acids do not show acidic behaviour without water because:
Q35. The formula of hydrated copper sulphate is:
Q36. Fresh milk has pH 6; as it turns into curd, pH:
Q37. Plaster of Paris should be stored in a moisture-proof container because:
Q38. Heating copper sulphate removes:
Q39. Bleaching powder is prepared using:
Q40. The medicine used for indigestion is:
Q41. The sodium compound used for softening hard water is:
Q42. Basic nature of a substance is due to:
Q43. A basic solution has pH:
Q44. The term 10H₂O in Na₂CO₃·10H₂O represents:
Q45. Plaster of Paris is used for:
Q46. Gypsum has the chemical formula:
Q47. The pH scale ranges from:
Q48. When sodium hydrogen carbonate solution is heated, it forms:
Q49. On heating sodium hydrogen carbonate, it decomposes to form:
Q50. The reaction of acid with base always produces:
These questions cover the fundamental concepts of Acids, Bases, and Salts, a core chemistry topic for Class 10 JKBOSE. The chapter explores the definitions and properties of acids and bases, including their taste, action on indicators (litmus, phenolphthalein, methyl orange, and olfactory indicators like onion and vanilla), and their behaviour in aqueous solutions. It also focuses on the pH scale, neutralization reactions, and the importance of these concepts in daily life, such as treating acidity, bee stings, and tooth decay . Furthermore, the questions examine reactions of acids with metals, metal carbonates, and metal oxides, highlighting the evolution of hydrogen and carbon dioxide gases, and the practical applications of important salts like baking soda, washing soda, Plaster of Paris, and bleaching powder . The MCQs are designed to assess understanding of the chemical nomenclature, formulas, properties, and reactions that define this fundamental branch of chemistry.

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