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Answer» A) Properties of ice:
i) The specific HEAT of ice at the freezing point is 2.04 KILOJOULES per kilogram per degree Celsius.
ii) The thermal conductivity at this temperature is 2.24 watts per metre kelvin.
iii) The strength of ice, which depends on MANY factors, is difficult to measure.
iv) If ice is stressed for a long time, it deforms by plastic flow and has no yield point (at which permanent deformation begins) or ULTIMATE strength.
b) Properties of iron nail:
i) Solid
ii) Metallic luster
iii) Malleable
iv) definite melting point
v) gray colour
c) Properties of honey:
i) Honey contains a number of enzymes, including INVERTASE, which converts sucrose to glucose and fructose.
ii) Honey contains trace amounts of the B vitamins riboflavin, niacin, folic acid, pantothenic acid and vitamin B6.
iii) Honey also contains organic acids such as acetic, butanoic, formic, citric, succinic, lactic, malic, pyroglutamic and gluconic acids, and a number of aromatic acids.
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