Hydrolysis of sucrose is called

Which of the following statements is false?

Which of the following monosaccharides is a pentose?

The formation of a silver mirror by $Glucose$ indicates that it acts as a/an:

$L$-isomer of tetrose $X$ $(C_4H_8O_4)$ gives positive Schiff's test and has two chiral carbons. On acetylation,$X$ yields triacetate. $X$ also undergoes the following reactions:
$X$ $\xrightarrow{HNO_3} A$ $\xrightarrow{NaBH_4} \underset{\text{Chiral compound}}{B}$
$X$ is $.......$.

Glucose gives a positive test with