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61
Which chemical was an important symbol in our struggle for freedom?
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Answer: Option D
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62
The indicator used in the titration of a strong acid and a strong basis
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Answer: Option A
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63
The desirable range of pH for drinking water is
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Answer: Option C
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64
Which of the following statements is not true about acids?
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Answer: Option B
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65
An aqueous solution of copper sulphate is acidic in nature because the salt undergoes.
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Answer: Option C
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66
. . . . . . . . reacts with acids and bases.
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Answer: Option B
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67
When litmus solution is neither acidic nor alkaline, it has a color.
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Answer: Option B
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68
The most acidic mixture has a the pH value of . . . . . . . .?
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Answer: Option D
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69
The pH value of solution A is 6, the pH value of solution B is 8, and the pH value of solution C is 2. Which solution will have the highest concentration of hydrogen ion?
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Answer: Option A
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70
Metallic oxides are alkaline in nature, meaning they react with acids to form salts and water. Which of the following is a metallic oxide different from the other?
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Answer: Option C
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