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21
Which of the following statements is not true about acids?
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Answer & Solution
Answer: Option C
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22
Which of the following is not an alkali?
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Answer: Option B
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23
The pH of a solution depends on the concentration of . . . . . . . .
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Answer: Option D
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24
Which among the following acid is also known as 'Muriatic acid'?
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Answer: Option A
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25
Buildup of which acid in our muscles during sudden activity causes cramps?
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Answer: Option A
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26
Which of the following will make blue litmus red?
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Answer: Option A
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27
Which of the following properties is not of alkali?
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Answer: Option C
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28
Baking soda is used
1. for making baking powder.
2. in soda-acid fire extinguishers.
3. to neutralise excess acid in the stomach.
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Answer & Solution
Answer: Option D
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29
What will be the effect on the color of dry blue litmus paper when exposed to dry HCl gas?
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Answer: Option C
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30
Which one of the following is coated on the photographic plate?
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Answer: Option B
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