Which of the following shows the maximum hydrophobic behaviour?

Which element among the following is not present in saccharin?

Which of the following represents a nucleoside?

Which gas is eliminated in fermentation?

Food preservative sodium benzoate is eliminated from the body as which of the following metabolite?

Which of the following statement$(s)$ is(are) true?
$(1)$ Oxidation of glucose with bromine water gives gluconic acid.
$(2)$ The two six-membered cyclic hemiacetal forms of $D-(+)-$glucose are called anomers.
$(3)$ Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose.
$(4)$ Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones.