Download App

Matter in Our Surroundings — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
Question
Which is more effective in cooling:
✓

Answer

Lce is more effective than water in cooling liquids because ice needs additional energy to convert itself to water at zero degree celsius.
Thus it absorbs more heat from the liquid system making the liquid system cooler so ice at $0^0C$ is cooler than water at $0^0C$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Matter in Our Surroundings→Matter in Our Surroundings — all question types→Science STD 9 question papers→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

Which of the following statement best describe frequency?
→
Which is the most important source of food and fodder?
→
The speed of a moving object is determined to be 0.06m/s. This speed is equal to:
→
Which one of the following species of honey bee is an Italian species?
→
A rocket works on the which law of motion:
→
Four elements W, X, Y and Z contain 8, 11, 9 and 17 protons per atom respectively. The element which cannot form an anion is most likely to be:
→
Cytoplasm is:
→
Which of the following does has kinetic energy?
→
A coconut fruit hanging high in a palm tree has ......... owing to its location:
→
Which one of the following fishes is a surface feeder?
→