Stainless steel contains steel and
Answer: D
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What is used to avoid melting of ice ?
Answer: B
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What is the third most common gas found in the air we breathe ?
Answer: A
The most common gas people breathe from clean air is nitrogen. Air is a mixture of gases, and the air on Earth contains about 78 percent nitrogen and about 21 percent oxygen. Argon, carbon dioxide neon, helium, methane, krypton, hydrogen and xenon are in much smaller amounts.
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Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :
Answer: C
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The activity of rradioisotope change with
Answer: D
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Van der Waal's equation explains the behaviour of _____
Answer: B
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The gas used for artificial ripening of green fruit is
Answer: A
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The freezing point of water at 760mm pressure is
Answer: B
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ATP stands for -
Answer: A
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The most abundant element in the earth's crust is ?
Answer: B
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