Advertisements
Advertisements
Question
The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale?
Options
306 K, 329 K, 391 K
308 K, 329 K, 392 K
308 K, 329 K, 391 K
329 K, 392 K, 308 K
Advertisements
Solution
308 K, 329 K, 391 K
35°C = 273 + 35 = 308 K
56°C = 273 + 56 = 329 K
118°C = 273 + 118 = 391 K
APPEARS IN
RELATED QUESTIONS
Differentiate between melting point and boiling point, giving atleast one example of each.
Explain the term vaporization.
A liquid can change into vapour state at a fixed temperature.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
A pressure cooker is based on the principle that boiling point of water increases with the ______.
Boiling of egg results in ______ change.
Choose the correct statement of the following
Assertion (A): Burning of a candle is considered a physical as well as chemical change.
Reason (R): Melting of wax is a physical change melted wax turns into vapours and then bums which is a chemical change.
Assertion (A): No-new substance is formed when water is heated to get steam.
Reason (R): Conversion of water into steam is a physical change.
A liquid changes into a gas at a constant temperature known as its ______.
