NCERT Exemplar IV — task. Science CBSE, Class 9.

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

Answer the following multiple choice questions:

1. Choose the correct statement of the following

Conversion of vapours into solid without passing through the liquid state is called freezing.
Conversion of solid into vapours without passing through the liquid state is called sublimation.
Conversion of solid into vapours without passing through the liquid state is called vapourisation.
Conversion of solid into liquid is called sublimation.

2. 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 the kelvin scale?

308 K, 329 K, 391 K
308 K, 329 K, 392 K
329 K, 392 K, 308 K
306 K, 329 K, 391 K

Previous exercise

Exit to the topic

Next exercise

Send feedback

Did you find an error?

Send it to us!

24. NCERT Exemplar IV

Exercise condition: