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51
Differentiation between weak acid and strong acid can be made using . . . . . . . .
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Answer: Option A
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52
The bases change the color of universal indicators to . . . . . . . . color.
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Answer: Option B
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53
When litmus is taken into a borax solution, it turns . . . . . . . .
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Answer: Option B
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54
Baking soda is
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Answer: Option A
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55
Farmers are requested to mix lime with soil while farming their fields. This is because
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Answer: Option B
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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.
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Answer: Option A
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57
What are the metal oxides that react with acids as well as bases?
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Answer: Option C
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58
The food salt (NaCl) is made of?
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Answer: Option A
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59
The acid which is secreted by the glands in the stomach wall is
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Answer: Option B
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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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Answer: Option D
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