A variable always has a fixed value.
Question 12
'Variable' means that it
(a) can take different values
(b) has a fixed value
(c) can take only 2 values
(d) can take only three values
Few properties are mentioned below. Specify the property as mixture or compounds:
STATEMENT 1: The constituents can be separated easily by physical means.
STATEMENT 2: Has a variable composition.
STATEMENT 3: The composition is always fixed.
STATEMENT 4: Shows entirely different properties from constituent elements.