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41
Which one of the following organic compounds has fruity smell?
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Answer: Option C
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42
Which of the following is a natural dye?
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Answer: Option C
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43
Quality diesel is measured in terms of its
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Answer: Option A
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44
Which one of the following is the reason for keeping the chloroform in brown-tinted glass containers?
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Answer: Option C
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45
Glycol is added to aviation gasoline because it
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Answer: Option C
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46
Rock salt is a mineral containing
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Answer: Option C
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47
Which of the following vegetable oils does not contain essential fatty acids?
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Answer: Option A
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48
Which form of nitrogen is available in urea?
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Answer: Option A
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49
Consider the following statements.
1. A chalcogenide glass is a glass containing sulphur, selenium or tellurium.
2. Chalcogenide glass form the basis of re-writable CD and DVD solid-state memory technology.
Which of the statement(s) given above is/are correct?
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Answer: Option C
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50
A sample of 'soft soap' contains
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Answer: Option B
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