AP EAPCET 20-Aug-2021 Shift 2 Paper

Section: Chemistry
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Question : 126 of 160
 
Marks: +1, -0
How many of the following statements is/are correct?
a) Mercury is the only metal that exists as liquid at room temperature.
b) Among non-metals, carbon has the highest melting point.
c) Hydrogen is the most abundant element in the universe.
d) Oxygen is the most abundant element in the earth's crust.
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