A. Incombustible
B. Radioactive and detected easily
C. Lighter than hydrogen
D. More abundant than hydrogen
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A. Incombustible
B. Radioactive and detected easily
C. Lighter than hydrogen
D. More abundant than hydrogen
Answer: A. Incombustible Helium is used in balloons in place of hydrogen because it incombustible.
Answer: A. Incombustible
Helium is used in balloons in place of hydrogen because it incombustible.
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