Which one among the following statements regarding the properties of m

1.	Which one among the following statements regarding the properties of mixtures and compounds is not correct? (a) A mixture shows the properties of its constituents but the properties of a compound are entirely different from its constituents (b) A mixture may be homogeneous or heterogeneous but a compound is a homogeneous substance (c) The constituents of a mixture can be separated by physical methods but those of a compound cannot be separated by physical methods (d) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound
Answer» (d) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound. Explanation: The compound is always formed by absorption or evolution of energy but no energy is released or absorbed during the formation of mixture.

Which one among the following statements regarding the properties of mixtures and compounds is not correct? (a) A mixture shows the properties of its constituents but the properties of a compound are entirely different from its constituents (b) A mixture may be homogeneous or heterogeneous but a compound is a homogeneous substance (c) The constituents of a mixture can be separated by physical methods but those of a compound cannot be separated by physical methods (d) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound

Answer»

(d) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound.

Explanation:

The compound is always formed by absorption or evolution of energy but no energy is released or absorbed during the formation of mixture.

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