H2O is an example of………
a) radical cation
b) radical anion
c) compound
d) element
Mixtures:
In
chemistry, a mixture is a material made up of two
or more different chemical substance/substances which are not chemically combined.
A mixture is the physical combination of two or more substances in which the identities
are retained and are mixed in the form of solutions, suspensions and colloids.
Mixture of metals and non-metals is called :
a) compound
b) ion
c) free Radical
d) alloy
Which statement is true about mixture ?
a) are note in fixed ratio
b) Separated by physical methods
c) a and b Both
d) None of these
Mixture has types.
a) three
b) four
c) two
d) none of these
Which one of these compounds can be separated by physical means ?
a) compound
b) mixture
c) radical
d) elements
