Hello guys! please help me to solve the above MCQs
Share
Hello guys! please help me to solve the above MCQs
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
21. B. Milk of Magnesia
22. B. Methanoic acid
23. C. Calcium Phosphate
24. B. Oxygen
25. A. Basic oxides
26. C. Blue-green dehydrate
27. A. Hydrogen
28. A. Calcium carbonate
29. A. Bases which are soluble in water are called alkalis.
30. B. Only 1, 2 and 3 are correct.
31. C. Mixing acid or base with water.
32. C. Because dry HCl gas does not ionize to produce H+ ions.
33. A. Tooth enamel
34. B. Acidic
35. A. Neutral
36. B. Brown
37. A. CaSO4.2H2O
38. CaSO4.1/2H2O