Advertisements
Advertisements
प्रश्न
Explain, why are soft drink bottles not completely filled?
Advertisements
उत्तर
On lowering the temperature below 4°C, water expands due to its anomalous behaviour. So, if soft drink bottles are completely filled, then they may burst and cause accident. As a result, soft drink bottles are not completely filled.
APPEARS IN
संबंधित प्रश्न
Give reason of Ice floats on water.
What do you mean by the anomalous expansion of water?
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
Explain, why are the exposed water pipes lagged with straw during severe winter?
What are hot spots? How can you extract energy from a hot spot, if it does not come in contact with underground water?
What are land and sea breezes? Explain with the help of a labeled diagram.
In cold countries, the water pipes are covered with poor conductors. Why?
Observe the following diagram and write the answers to the questions given below.
- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
