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Q15: A chemical reaction is balanced by applying
Q37: Atmospheric sulfur pollution gives rise to<br>A) acid
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Q45: Which alcohol is used as an antifreeze?<br>A)
Q53: To which group of polymers does Dacron
Q78: Which of the Jovian planets has the
Q80: When a meteor strikes Earth's surface, it
Q83: What is the temperature in kelvins of
Q103: What type of nebula is the Horsehead?<br>A)
Q130: The sodium salt of a fatty acid