Advertisements
Advertisements
प्रश्न
Explain why do vegetables and fruits get damaged during severe frost?
Advertisements
उत्तर
Vegetables and fruits get damaged during severe fruits because the water present in them on freezing expands and burst open the cell walls of cells.
APPEARS IN
संबंधित प्रश्न
Density of water is maximum at :
What do you understand by the anomalous expansion of water?
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
The following figure shows a metal cylinder, containing boiling water. One half side A is polished and another half, B is painted black. Two thin metal sheets X and Y are painted black and have one rubber stopper fixed with wax on each sheet. These sheets are equidistant from the boiling water (container A, B) as shown in the diagram. What would you expect to happen after a few minutes? Give a reason for your answer.

What will be the approximate temperature of water in the lake shown in the following diagram?

(i) At X, and
(ii) At Y?
In a region with a cold climate the aquatic animals can survive at 4 °C, because _______.
While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C : : lower temperature of the thermometer : _______
In cold regions, in winter the pipes for water supply break.
Write scientific reason.
Placing a plastic bottle filled with water in the freezing compartment in the freezer can cause the bottle to explode.
