Chemistry
Trending Questions
Q.
At normal temperature and pressure conditions, water boils at 100∘C. Deep down the mine, at what temperature will the water boil?
At 100∘C
Greater than 100∘C
Less than 100∘C
Water will not boil
Q. Melting point of water is 0∘C
- False
- True
Q. Boiling point of olive oil is 300 degree Celsius which is equal to:
- 573 K
- 473 K
- 273 K
- 673 K
Q. The process by which matter in its solid state directly changes to gaseous state is known as
- evaporation
- condensation
- sublimation
Q. Boiling point of water is 373.15 K.
- False
- True
Q. The boiling point of water in Kelvin scale is:
- 473 K
- 173 K
- 273 K
- 373 K
Q. What is the melting point of ice in Fahrenheit scale?
- 40∘F
- 32∘F
- 52∘F
- 72∘F
Q. Melting point is the temperature at which a substance changes from its solid state to its liquid state.
- False
- True
Q. As the temperature of a substance increases, the vibration of the molecules increases.
- False
- True
Q. Melting point of mercury is:
- −43.8∘C
- −63∘C
- −58.6∘C
- −38.8∘C
