Which one among the following is a chemical process?
Distillation of sea (salty) water
Crystallization of impure salt (NaCl)
Production of iodine (I2) from sea-weeds
Sublimation of iodine (I2)
C.
Production of iodine (I2) from sea-weeds
Iodized salt is a:
a mixture of potassium iodide and common salt
a mixture of molecular iodine and common salt
a compound formed by the combination of potassium iodide and common salt
a compound formed by the combination of molecular iodine and common salt
Which one among the following statements regarding the properties of mixtures and compounds is not correct?
A mixture shows the properties of its constituents but the properties of a compound are entirely different from its constituents
A mixture may be homogeneous or heterogeneous but a compound is a homogeneous substance
The constituents of a mixture can be separated by physical methods but those of a compound can not be separated by physical method
Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound