Multiple Choice
Write an equation for the roasting of PbS.
A) 2 PbS(s) + 2 O2(g) → 2 PbO2(s) + S2(s)
B) 2 PbS(s) + 3 O2(g) → 2 PbO(s) + 2 SO2(s)
C) 8 PbS(s) + 4 O2(g) → 8 PbO(s) + S8(s)
D) 2 PbS(s) + O2(g) → 2 PbO(s) + 2 S(s)
E) There is no reaction.
Correct Answer:
Verified
Correct Answer:
Verified
Q53: The first ionization energy of calcium is
Q54: Which of the following metals reacts most
Q55: Pick the nonmetal in Group 13 (3A).<br>A)Al<br>B)Ga<br>C)In<br>D)B<br>E)Tl
Q56: Choose the INCORRECT statement about carbon.<br>A)In addition
Q57: Finish the following reaction:<br>Li(s)+ O<sub>2</sub>(g)→<br>A)2 Li(s)+ O<sub>2</sub>(g)→
Q59: Choose the INCORRECT statement.<br>A)Potassium chloride is used
Q60: A magnesium fire can always be extinguished
Q61: Which of the following is INCORRECT?<br>A reaction
Q62: The Solvay process involves a reaction of
Q63: In a nonmetal hydroxide the oxygen-hydrogen bond