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Other than impurities increase in pressure also lower the melting point of ice
johnmulu answered the question on January 16, 2017 at 09:15
- When a steel ball bearing is dropped into a tall jar full of glycerine, it falls to reach a point when it attains a steady velocity(Solved)
When a steel ball bearing is dropped into a tall jar full of glycerine, it falls to reach a point when it attains a steady velocity. State the force that varies to make this possible.
Date posted: January 16, 2017. Answers (1)
- Why is a door handle always fixed well away from the hinge?(Solved)
A door handle is always fixed well away from the hinge. Explain
Date posted: January 16, 2017. Answers (1)
- Explain why milk in a bottle cools faster when the bottle is wrapped with wet towel(Solved)
Milk in a bottle cools faster when the bottle is wrapped with a wet towel than when it is immersed in a bucket of cold water. Explain
Date posted: January 16, 2017. Answers (1)
- Define specific latent heat of vaporization(Solved)
Define specific latent heat of vaporization.
Date posted: January 16, 2017. Answers (1)
- State samples of bromine vapour are allowed to diffuse separately under different conditions(Solved)
State samples of bromine vapour are allowed to diffuse separately under different conditions; one in vacuum and the other in air. State and explain the observation made.
Date posted: January 16, 2017. Answers (1)
- Why is it easier to stop a saloon car than a bus moving at the same velocity?(Solved)
It is easier to stop a saloon car than a bus moving at the same velocity. What is the reason?
Date posted: January 14, 2017. Answers (1)
- Why are passengers discouraged from standing on the upper deck of a double-decker bus?(Solved)
Explain why passengers are discouraged from standing on the upper deck of a double-decker bus.
Date posted: January 14, 2017. Answers (1)
- An air bubble is observed to increase in size as it rises(Solved)
An air bubble is observed to increase in size as it rises through a liquid column and bursts on reaching the surface. Explain this observation.
Date posted: January 14, 2017. Answers (1)
- A half-metre rule of mass 50g balances off-centre when a 20g mass is suspended at the 2 cm mark.(Solved)
A half-metre rule of mass 50 g balances off-centre when a 20 g mass is suspended at the 2 cm mark. Determine the position of the pivot.
Date posted: January 14, 2017. Answers (1)
- State the factors that affect the rate of flow of heat through a metal conductor(Solved)
Factors that affect the rate of flow of heat through a metal conductor
Date posted: January 14, 2017. Answers (1)
- State the reason why the masses of the two sacks must be different(Solved)
A sack of sawdust on the earth's surface is found to have same weight as a sack of sand on the surface of the moon. State the reason why the masses of the two sacks must be different
Date posted: January 14, 2017. Answers (1)