Complete hydrolysis of cellulose gives

Sucrose is dextrorotatory but after hydrolysis the mixture shows laevorotation,this is because of

Maltose contains how many oxygen atoms?

Glucose and fructose form:

Glucose on reaction with Fehling solution gives

$\alpha-D(+)$ glucose and $\beta-D(+)$ glucose are
$(i)$ Diastereomers
$(ii)$ Geometrical isomers
$(iii)$ Epimers
$(iv)$ Anomers
$(v)$ Enantiomers