Water is a good solvent of ionic salts because:

A. It has a high specific heat
B. It has no colour
C. It has a high dipole moment
D. None of these

Submitted by: Fahad Mehsud

Remember that polar solvents (such as water) have relatively high dipole moments. The negatively-charged ends of polar solvent molecules can orient themselves around (and vice-versa for).

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Iodised salts contains the iodine salts of which metal?
A. Iodine
B. Potassium
C. Sodium Chloride
D. Chlorine
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Accumulation of salts in kidneys results in_________?
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B. Hypertension
C. Cancer
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Water is a universal solvent for what reactions?
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B. Biochemical
C. Physical
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The movement of any solvent across a semipermeable membrane is called__________?
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The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
A. 1 gram
B. 10 grams
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D. 10 kg
Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?
A. Conduction
B. Convection
C. Radiation
D. Reflection
E. None of these
Why are soft drink made with chilled water rather than water at room temperature?
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B. Chilled water enhances the taste
C. Chilled water attracts more carbon dioxide
D. Chilled water is more hygienic
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For seeing objects at the surface of water from a submarine under water, the instrument used is ________?
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B. Telescope
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Sea water (Salt water) freezes at ?
A. Same temperature as fresh water.
B. Slightly higher temperatures than fresh water.
C. Slightly higher temperature than fresh water.
D. Sea water does not freeze
Submitted by: Mansoor Ahmed Suhag
Underground water and the water on the earth’s surface is called ?
A. Mezosphere
B. Ionosphere
C. Hydrosphere
D. None of these
Submitted by: Haziq