Which of the following is stored under water because of its property of igniting spontaneously upon contact with air?
A) P4 (white phosphorus)
B) S8 (yellow sulfur)
C) Pb3O4 ("red lead")
D) K (potassium metal)
E) I2 (crystalline iodine)
Correct Answer:
Verified
Q50: What is the molecular shape for XeOF2?
A)
Q51: Which name/formula combination is INCORRECT?
A) tetrathionate/S4O62-
B) sulfurous
Q52: Which formula/name combination is INCORRECT?
A) NaN3/sodium nitride
B)
Q53: The Frasch process for the production of
Q54: Write the chemical equation for the reaction
Q56: Choose the INCORRECT statement.
A) Hydrazine is N2H2.
B)
Q57: Choose the INCORRECT statement.
A) Hydroxylammine, NH2OH, is
Q58: Choose the INCORRECT statement.
A) Hydrogen occurs in
Q59: Choose the INCORRECT statement.
A) Eutrophication is the
Q60: "Red" phosphorus is insoluble in carbon disulfide,
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