2024/2025 Exam Questions Marking
Scheme New Update | A+ Rated
A student wishes to measure 37mL of liquid. Which apparatus is most suitable?
- 🧠ANSWER ✔✔50mL Graduated Cylinder
Which has the lowest normal boiling point
a. HF
b. HCl
c. HBr
d. HI - 🧠ANSWER ✔✔b. HCl
What leads to an increase in the vapor pressure of a liquid? - 🧠ANSWER
✔✔Increase in temperature only
How is enthalpy of vaporization of a substance related to its enthalpy of fusion?
- 🧠ANSWER ✔✔The enthalpy of vaporization is greater than the enthalpy of
fusion
Diamond is what kind of solid? - 🧠ANSWER ✔✔Network Covalent
First law of thermodaynamics - 🧠ANSWER ✔✔delta E= q + w
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