Which of the following are salts ch4 naf naoh baso4 nh3 kbr hno3?

CH4 an organic alkane. (Methane)

NaF An inorganic salt ( Sodium fluoride)

NaOH A soluble base / alkali ( Sodium hydroxide)

BaSO4 An inorganic salt ) Barium sulphate)

NH3 A basic gas ( Ammonia)

KBr An inorganic salt (Potassium bromide)

HNO3 A mineral acid (Nitric acid)

NB

When writing chemical formula remember single letter elements use CAPITAL letter. Two-letter elements have first letter as a capital and the second letter as small/lower case. This is standard world wide practice in order to avoid confusion over names.