The properties of a _______ are different from its constituent particles.
The constituent particles of a pure substance are different in their chemical nature.
Few properties are mentioned below. Specify the property as mixture or compound:
STATEMENT 1: The constituents can be separated easily by physical means.
STATEMENT 2: Has a variable composition.
STATEMENT 3: Has a fixed melting and boiling point.
STATEMENT 4: Shows entirely different properties from constituent elements.
Which of the following statements about a compound is incorrect ?
(a) A molecule of a compound has atoms of different elements
(b) A compound cannot be separated into its constituent elements by physical methods of separation
(c) A compound retains the physical properties of its constituent elements
(d) The ratio of atoms of different elements in a compound is fixed