Acids, Bases and Salts

Which of the following is not a dibasic acid?

• Acetic acid

• Sulphurous acid

• Sulphuric acid

• Carbonic acid

Acids which dissociate almost completely in aqueous solutions are known as:

• Dilute acids

• Strong acids

• Weak acids

• Concentrated acids

A universal indicator is a:

• Solution of phenolphthalein

• Solution of methyl orange

• solution of methyl orange and phenolphthalein

• mixture of many indicators

The base which is not an alkali is:

• NaOH

• KOH

• NH4OH

• Cu(OH)2

Acid used as an eyewash is:

• Formic acid

• Phosphoric acid

• Oxalic acid

• Boric acid

It removes grease stains from clothes:

• Calcium Hydroxide

• Magnesium Hydroxide

• Ammonium Hydroxide

• Aluminium Hydroxide

Acids react with active metals to liberate:

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

An alkali is a compound which when dissolved in water yields:

• Hydronium ions

• Hydrogen ions

• hydroxyl ions

• ammonium ions

Nitric acid is considered to be a :

• oxyacid

• hydracid

• weak acid

• strong alkali

Fe(OH)3 is said to be a:

• Triacidic base

• Tribasic acid

• dibasic acid

• diacidic base