Substance having highest boiling point among the following is
A. HF
B. HCI
C. Br2
D. HBr
Correct Answer: C. Br2
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A. HF
B. HCI
C. Br2
D. HBr
A. 5–25 kJ per mole of bonds
B. 5-25 kJ per molecule
C. 500 kJ per mole of bonds
D. 1-2 kJ per mole of bonds
A. KCI
B. MgO
C. LiBr
D. NaF
A.Ice
B. Carbon (diamond)
C. Sucrose
D. Plastic
A. Evaporation
B. Boiling
C. Condensation
D. Melting
A. The transformation of a solid directly into a gas
B. The transformation of a gas directly into a solid
C. The transformation of a liquid directly into a gas
D. The transformation of a liquid directly into a solid
A. 4
B. 8
C. 12
D. 16