51. Differentiation between weak acid and strong acid can be made using . . . . . . . .
52. The bases change the color of universal indicators to . . . . . . . . color.
53. When litmus is taken into a borax solution, it turns . . . . . . . .
54. Baking soda is
55. Farmers are requested to mix lime with soil while farming their fields. This is because
56. Which of the following statement(s) is/are correct?
1. Metallic oxides are said to be basic oxides.
2. Non-metallic oxides are basic in nature.
3. All acids have similar chemical properties.
1. Metallic oxides are said to be basic oxides.
2. Non-metallic oxides are basic in nature.
3. All acids have similar chemical properties.
57. What are the metal oxides that react with acids as well as bases?
58. The food salt (NaCl) is made of?
59. The acid which is secreted by the glands in the stomach wall is
60. Which of the following is an example of a salt whose pH value of aqueous solution is less than 7?
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