11. Kerosene and water are taken in a beaker as shown in figure X Y a) Identify X and Y. b) Based on which characteristic of liquids, were X and Y identified. c) If liquids like petrol, diesel etc catches fire one should never try to extinguish it by using water. Why?
Answers
a) In saline water density is higher as comparison to Kerosene that's why buoyant force increases and hence more weight difference is experienced.
b) In saline water because its density is greater than that of kerosene and hence the stone experiences more buoyancy.
c) Buoyancy of saline water liquid is more than that of the other liquid kerosene.
d) Buoyancy increases with increase in density of a liquid.
Answer:
Answer
a) In saline water density is higher as comparison to Kerosene that's why buoyant force increases and hence more weight difference is experienced.
b) In saline water because its density is greater than that of kerosene and hence the stone experiences more buoyancy.
c) Buoyancy of saline water liquid is more than that of the other liquid kerosene.
d) Buoyancy increases with increase in density of a liquid.
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