Give the composition of hydrogen peroxide.
A) two hydrogen atoms and two oxygen atoms
B) one hydrogen molecule and one oxygen atom
C) two hydrogen molecules and one oxygen molecule
D) one hydrogen atom and two oxygen molecules
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Q47: Identify a gas.
A) silver
B) mercury
C) hydrogen
D) iron
E)
Q48: If the walls in a room are
Q49: Which of the following represents a valid
Q50: Water is an example of
A) a compound.
B)
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A) gold
B) helium
C) water
D) neon
E)
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A) plastic
B) cloth
C) diamond
D)
Q55: Identify the shortest length.
A) 3.10 ft
B) 37.0
Q56: Choose the element from the list below.
A)
Q96: A banana split is an example of
A)a
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