0%

Report a question

You cannot submit an empty report. Please add some details.

Chemistry – General – LS

Chemistry – Set 7

Dear ! This is Chemistry – Set 7  Quiz and it contains 100 questions.

Happy Learning!

1 / 100

1. Which one is a soluble salt in H2O?

2 / 100

2. Milk tastes sour when kept in the open for sometime due to the formation of

3 / 100

3. Maximum permissible concentration of copper in drinking water in mg/L is

4 / 100

4. Where does the oxygen that keeps us alive come from?

5 / 100

5. Assertion (A) : Synthetic detergents can lather when in hard water. Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

6 / 100

6. Which one of the following is a micro-element ?

7 / 100

7. Which is known as carbolic acid?

8 / 100

8. Carbon footprint can be reduced by

9 / 100

9. The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

10 / 100

10. Saline soil contains

11 / 100

11. Basicity of boric acid, H3BO3 is

12 / 100

12. Rock salt is a mineral containing

13 / 100

13. The compound used in prickly heat powder to prevent excessive sweating is

14 / 100

14. Hardness of the water is commonly measured in terms of

15 / 100

15. The amount of chlorine available in water after disinfection is called as

16 / 100

16. What is the chemical name for ‘Baking Soda’ ?

17 / 100

17. The common name for the compound having formal NaOH is

18 / 100

18. Aerated water contains

19 / 100

19. Chemical name of common salt is

20 / 100

20. Chemical name of bleaching powder is :

21 / 100

21. Milk tastes sour when it is left in open for some time. This happens due to the formation of

22 / 100

22. Potassium Permanganate is used for purifying drinking water, because________

23 / 100

23. Which of the following gases is most toxic ?

24 / 100

24. pH value between 6.5-7.5 makes the soil

25 / 100

25. Sodium Carbonate is commonly known as

26 / 100

26. The chemical formula of the laughing gas is

27 / 100

27. Formic acid is produced by

28 / 100

28. 24 carat of diamond is equal to

29 / 100

29. Which of the following acts as promoter for iron in Haber’s process?

30 / 100

30. 1 carat of diamond is equal to

31 / 100

31. Sour taste of ‘Coca Cola’ is due to the presence of

32 / 100

32. What is the atomic number of Oxygen?

33 / 100

33. Magnalium is an alloy of

34 / 100

34. Which one of the following is used for dating very old objects of archaeological importance?

35 / 100

35. Which acid is used in Lead storage battery?

36 / 100

36. Why is water not suitable for putting out a petrol fire ?

37 / 100

37. The chemical name of ‘Common salt’ is

38 / 100

38. Citric acid is present in free form in

39 / 100

39. In which of the following states maximum iron ore is found ?

40 / 100

40. Surface water is a better source of drinking water because it is poor in

41 / 100

41. Table salt gets moist during rainy season because

 

42 / 100

42. When water itself combines chemically with some element or mineral it is called

43 / 100

43. Lead in water can cause

44 / 100

44. Sea water is saltier than rain water because

45 / 100

45. Which of the following acids serves as an electrolyte in a lead storage battery?

46 / 100

46. Which of the following is used in making smoke bombs?

47 / 100

47. Which one of the following is most acidic?

48 / 100

48. Which one of the following is extensively used for sterilizing water ?

49 / 100

49. Ultraviolet rays can be used in water treatment as

50 / 100

50. The metallic constituents of hard water are :

51 / 100

51. The gas dissolved in water that makes it basic is :

52 / 100

52. ________ is used for making vinegar.

53 / 100

53. Drinking soda is

54 / 100

54. The acid used in lead storage cells is

55 / 100

55. Brine refers to :

56 / 100

56. When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is

57 / 100

57. Which one of the following acids is used in battery ?

58 / 100

58. Normal rainwater has a pH level of

59 / 100

59. Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water.

60 / 100

60. The substance most commonly used as a food preservative is

61 / 100

61. Maximum permissible concentration of total hardness in drinking water is

62 / 100

62. Vinegar is ________ .

63 / 100

63. Iron and manganese present as pollutants in water cannot be removed by________

64 / 100

64. Muscle fatigue is caused by the accumulation of :

65 / 100

65. Litmus is obtained from

66 / 100

66. In sugar solution,

67 / 100

67. One property of ammonia is

68 / 100

68. Tar roads get damaged if there is

69 / 100

69. Ammonial is a mixture of

70 / 100

70. Which one of the following is used as preservative for foodstuff ?

71 / 100

71. Sour milk contains

72 / 100

72. Sour taste of lemon is due to the presence of which of the following ?

73 / 100

73. The unit to measure the flow of water is

74 / 100

74. pH scale ranges from

75 / 100

75. Philosopher’s wool is chemically

76 / 100

76. Which of the following is the strongest base in aqueous solution ?

77 / 100

77. The open “Sigrees” or coal stoves often require fanning to sustain burning because of

78 / 100

78. Which of the following is used as a lubricant in heavy machines?

79 / 100

79. Magnetite is

80 / 100

80. The chemical name of baking soda is

81 / 100

81. In which of the following substances all carbon atoms are quaternary in nature ?

82 / 100

82. In chemical terms, what are alums used for purifying water for drinking purposes ?

83 / 100

83. Which of the following has pH value 7?

84 / 100

84. The most pure form of Carbon among the options is

85 / 100

85. The pH of lemon juice is expected to be

86 / 100

86. The alkaloid naturally found in coffee, cocoa and cola nut is

 

87 / 100

87. What is the covalency of nitrogen in ammonia molecule

88 / 100

88. Which of these acids is not organic in origin?

89 / 100

89. The BOD values of water indicate the

90 / 100

90. Nitrogen forms a variety of compounds in all oxidation states ranging from

91 / 100

91. The water pollution in river is measured by the dissolved amount of

92 / 100

92. Sweat contains water and ________

93 / 100

93. A pungent smell often present near the urinals is due to

94 / 100

94. If water smells bad, then that odour can be removed by adding

95 / 100

95. Curd is sour due to presence of

96 / 100

96. Which of the following is used as filler in tyre of rubber ?

97 / 100

97. The pH of human blood is between

98 / 100

98. Antacids are found in drugs that give relief to

99 / 100

99. A fertile soil is likely to have a pH of

100 / 100

100. What is ‘milk of magnesia’ chemically?

Your score is

Share this Quiz with your friends! 

LinkedIn Facebook

Follow Us @

0%

Exit

You cannot copy content of this page

Scroll to Top