The type of bond involved in the formation of sodium chloride, is

Sucrose is formed by a dehydration reaction between glucose ($C_6H_{12}O_6$) and fructose ($C_6H_{12}O_6$). What is the molecular formula of sucrose?

A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is $C_6H_{12}O_6$, then what is the formula for maltose?

If the formula for maltose is $C_{12}H_{22}O_{11}$ and it is formed by the dehydration reaction of two glucose molecules, what is the formula of glucose?

Two molecules of a monosaccharide, $C_xH_yO_z$, undergo a dehydration reaction to form a disaccharide. What is the general formula of the resulting disaccharide?