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31
Which of the following oxides is not acidic?
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Answer: Option A
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32
Match List-I with List-II and select the correct answer:
List-I List-II
a. Washing soda 1. Sodium Hydroxide
b. Caustic soda 2. Copper Sulphate
c. Neela thotha 3. Sodium Thiosulphate
d. Hypo 4. Sodium Carbonate
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Answer: Option B
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33
In general, how can a neutralization reaction be written?
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Answer: Option B
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34
The strong acid solution contains . . . . . . . .
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Answer: Option B
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35
Citric acid is present in free form in
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Answer: Option D
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36
. . . . . . . . oxides react with acids as well as bases?
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Answer: Option D
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37
Which of the following is an alkali?
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Answer: Option C
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38
Which of the following salts is acidic?
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Answer: Option D
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39
What is the chemical name of the deadly poison 'cyanide'?
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Answer: Option D
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40
Which one of the following salt predominant in the ocean?
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Answer: Option B
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