Question

what is meant by skeleton equation ?

Answer 1

A skeleton equation is just a way of using the formulas for indicating the chemicals that are involved in the chemical equation.

Answer 2

the equation in the form of elements symbol
like hydrogen combine with oxygen to form water
it's skeletal equation is
H2+O2--->H20
HERE THIS TYPE OF EQUATION IS KNOWN AS UNBALANCED CHEMICAL EQUATION
AND
2H2+O2--->2H20
IS CALLED BALANCED EQUATION