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
D.
Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound
The compound is always formed by absorption or evolution of energy but no energy is released or absorbed during the formation of the mixture.
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)
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
