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3. which ones are acids a hcl b h2so4 c hs...

# Question: which ones are acids a hcl b h2so4 c hs...

###### Question details

Which ones are acids?

a. HCl

b. ${H}_{2}S{O}_{4}$

c. $HS$

d. $NaOH$

e. $HN{O}_{3}$

f. $KI$

g. $C{H}_{3}-COOH$

h. $C{H}_{4}$

i. $C{H}_{3}-C{H}_{2}-C{H}_{3}$

j. ${H}_{2}S{O}_{3}$