Related Questions

Unlike most liquids, which contract when they solidify, water expands by nine percentage when it freezes.
A unlike most
B solidify
C by
D percentage
When water freezes its density
A decreases
B remains constant
C increases
D become zero
At what temperature (in Fahrenheit) pure water freezes?
A 0
B 17
C 32
D 39
When water freezes in the polar seas the salts ________
A Form a layer on top
B Remain in the subsurface water that does not freeze
C Sink to the bottom
D Partly freeze and partly sink to the bottom
The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:
A Frost
B Black frost
C Hoarfrost
D White frost
E Frozen dew
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
A mixture of 20 kg of spirit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25% ?
A 4
B 5
C 8
D 30
A mixture of 20 sprit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25%
A 2
B 4
C 5
D 6
30 men took a dip in a water tank 20m long and 15m broad on a religious day.If the aveage water displacement of water by a man is 2m3, then the rise in the water level in the tank will be --
A 20 cm
B 50 cm
C 100 cm
D 200 cm
In a 729 liters mixture of milk and water , the ratio of milk to water is 7:2 To get a new mixture containing milk and water in the ratio 7:3 the amount of water to be added is -
A 71 liters
B 81 liters
C 56 liters
D 50 liters

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