$1-$$\mathrm{methoxypropane}$ and $\mathrm{ethoxyethane}$ are . (Tautomers/Metamers/Anomers)

Aqueous solution of ${\mathrm{NaHCO}}_3$ on reacting with ${\mathrm{CH}}_3\mathrm{COOH}$ gives ${\mathrm{CO}}_2$. This ${\mathrm{CO}}_2$ comes from _____.

(A) ${\mathrm{CH}}_3\mathrm{COOH}$              (B) ${\mathrm{NaHCO}}_3$               (C)${\mathrm{H}}_2\mathrm{O}$

Enter your correct answer as A, B or C.

The IUPAC name of  ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$ is _____.

$$\begin{gathered} \mathrm{A}: \mathrm{Buta}-1, 3-\mathrm{diene} \\ \mathrm{B}: \mathrm{Buta}-1, 2-\mathrm{diene} \\ \mathrm{C}: \mathrm{Buta}-1, 3-\mathrm{triene} \end{gathered}$$

Enter your correct answer as $\mathrm{A}, \mathrm{B} \mathrm{or} \mathrm{C}$