Chemistry Questions

Rayon is a versatile fiber. Rayon is chemically Cellulose. It is widely claimed to have the same comfort properties as natural fibers, although the drape and slipperiness of rayon textiles are often more like nylon. It can imitate the feel and texture of silk, wool, cotton and linen. The fibers are easily dyed in a wide range of colors.

The chemical name of common is sodium chloride. Its chemical formula is NaCl.

The chemical name of common salt is Sodium Chloride with a chemical formula NaCl.

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.

Hence, Boiling water is a Physiacl change and not a chemical change.

Any properties that are dependent on the amount of matter are called as extensive properties of matter.

Examples are :: Mass, Volume, Density (M/V),...

Permanent hardness of water may be removed by the addition of Sodium Carbonate.

The acid and the nitrite form nitrous acid which then reacts with the amine.