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31
Study the following statements
1. Bromine is a reactive non-metal.
2. Hydrochloric acid is also called as maratic acid.
3. Chlorine is used in the production of phosgine, mustard gas etc.
Which of the statements above are correct?
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Answer & Solution
Answer: Option D
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32
Which of following is hardest substance?
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Answer & Solution
Answer: Option C
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33
Which of the following is the inert gas group?
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Answer: Option D
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34
What is the process to give strength to rubber by adding sulphur and heating to provide strength, maximum elasticity and durability?
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Answer & Solution
Answer: Option C
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35
Argon is a commonly used gas to fill incandescent light bulbs because argon is . . . . . . . .
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Answer & Solution
Answer: Option D
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36
The electronic configurations of the three elements X, Y and Z are (2, 8,7), (2, 8, 2) and (2, 8, 8) respectively, then the element Z is a . . . . . . . .
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Answer & Solution
Answer: Option C
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37
During thermal decomposition, Ammonium nitrate produces:
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Answer: Option B
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38
Which is the only non-metal that turns into liquid at room temperature?
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Answer: Option B
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39
White phosphorus is stored in . . . . . . . .
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Answer: Option C
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40
Which one of the following noble gases is not found in the atmosphere?
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Answer & Solution
Answer: Option C
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