1. The word ‘acid’ is derived from which Latin word?

2. Acids release which ion in aqueous solution?

3. The pH value of acids is

4. Which of the following is a natural acid?

5. Mineral acids are obtained from:

6. Oxalic acid is found in:

7. Lactic acid is present in:

8. Citric acid is found in:

9. Tartaric acid is found in:

10. Formic acid is found in:

11. Acetic acid is present in:

12. Muriatic acid is another name for:

13. Nitric acid is also called

14. Sulfuric acid is also known as

15. Hydrochloric acid is present in:

16. Bases release which ion in water?

17. Bases turn red litmus to

18. Alkali is

19. The pH of bases ranges from

20. Which is a strong base?

21. Sodium hydroxide is used in:

22. Ammonium hydroxide is used in:

23. Milk of magnesia is

24. Milk of magnesia is used as

25. Who introduced the pH scale?

26. The neutral pH value is

27. The pH of human blood is

28. The pH of lemon juice is

29. Tooth decay starts when pH falls below the following:

30. Litmus paper is made from:

31. Acid turns blue litmus to:

32. The neutral litmus solution color is

33. Olfactory indicators include:

34. China rose indicator turns acid solution.

35. China rose turns base solution.

36. Neutralization reactions produce:

37. Dilution means:

38. Mixing acid with water is

39. Aqua regia is mixture of:

40. Acid rain occurs when the pH is below:

41. Acid rain is caused by the following:

42. Metal oxides are generally the following:

43. Amphoteric oxide example

44. Tooth enamel is made of:

45. Hydrogen ions combine with water to form:

46. Starch with iodine gives the following:

47. Anthocyanins are found in:

48. Red cabbage turns acidic solutions:

49. Red cabbage turns basic solution::

50. Bases taste: