21
QuizMultiple Choice
Unit Test — Unit test
Question 21 • 2025-2026_MDCPS_2003345_Chemistry_1_A-CR
Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formula equation for this reaction?
Answer
A
Upper F subscript 2 (l) plus upper N a (s) right arrow upper N a upper F subscript 2 (s).
B
Upper F subscript 2 (g) plus upper C a (s) right arrow upper C a upper F subscript 2 (l).
C
Upper F subscript 2 (g) plus upper N a (s) right arrow with delta above upper N a upper F subscript 2 (l)
D
Upper F subscript 2 (g) plus upper C a (s) right arrow with delta above upper C a upper F subscript 2 (s).