Question 5
the weak acid in the following list is
a)hydrochloric acid
b)sulfuric acid
c)nitric acid
d)acetic acid

The weak acid D) acetic acid.  

Acid are the substance which has pH below 7 and releases ions when they are treated with aqueous solution. Based upon the rate of dissociation, the acids are classified as strong acids which has high dissociation rate and weak acid with low dissociation rate.

Acetic acid is a organic acid with the formula . It is a colorless acid and also named as ethonoic acid.

Among the given list of acid in the option which includes, Sulfuric acid, Nitric acid, Hydrochloric acid, and Acetic acid, first three are strong acids, whereas the lastly mentioned is a weaker one.  

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up