What are the functional groups present in the structure of maltose $?$

Which of the following statements are true about carbohydrates?
$(i)$ Monosaccharides can be hydrolysed.
$(ii)$ The two monosaccharide units obtained on hydrolysis of a disaccharide can either be same or different.
$(iii)$ Polysaccharides are non-sweet in taste.
$(iv)$ All monosaccharides are not reducing sugars.

Glucose when reduced with $HI$ and red phosphorus gives

What is the product formed when sucrose is treated with concentrated sulfuric acid $(H_2SO_4)$?

The correct statement about the following disaccharide is:

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$(a)$. Sucrose	$(i)$. $\beta-D$-Galactose and $\beta-D$-Glucose
$(b)$. Lactose	$(ii)$. $\alpha-D$-Glucose and $\beta-D$-Fructose
$(c)$. Maltose	$(iii)$. $\alpha-D$-Glucose and $\alpha-D$-Glucose

Choose the correct answer from the options given below: