Notes on the important physical properties of water. There exists a strong cohesive force between water molecules. Because of this force of attraction the like molecules cling to one another rather tenaciously a property called cohesion.
Notes on the Unique thermal properties of water. It is a stable compound that does not decompose easily. It remains a liquid between 4º C and 90 º C and life too exists within this range.
Chemical Properties of water having biological significance. Water does not dissociate easily and hence, is an excellent solvent. It is also so because of its H-bonding capabilities and very high dielectric constant.
Some fibers are short, others very long, some are kinky, scaly and rough, others are straight and smooth. They may have high or low tensile strength or are transparent, opaque, colored, or colorless, even or uneven in diameter.
Since measures of dispersion are usually called as averages of the second order, they should possess all the qualities of a good average. According to Yule and Kendall, they are as follows :
The way the molecules are arranged hi a solid, liquid or gas, determines its properties. The molecules in solids are tightly packed and they attract each other strongly. Therefore, solids have the following properties.
The properties of matter are the characteristics, which help us to identify them. Matter has both chemical and physical properties. Chemical properties describe how a substance reacts chemically with another. They deal with the molecular composition of matter.
Alkynes have physical properties similar to alkanes and alkenes. Lower alkynes upto four carbon atoms are gases, those containing five to thirteen carbon atoms are liquids while higher alkynes are solids.
Some of the most imporant physical properties of Copper are: 1. Copper has a characteristic reddish brown colour. It is highly malleable and ductile at ordinary temperature. It becomes brittle near melting point.
Some of the most important physical properties of Iron are : 1. Pure iron greyish white in color 2. Pure iron greyish white in color 3. 4. It is highly malleable and ductile. 4. It is ferromagnetic, that is, it becomes strongly magnetised when placed in a magnetic field.