Acids, Bases and Salts

Which one of the following acid is present in milk?

• Oxalic acid

• Tartaric Acid

• Lactic Acid

• Tannic Acid

pH of an acid is

• more than 7

• 7

• less than 7

• 7 and below

Which one of the following ions are released by acids?

• SO4-

• OH-

• HOH

• H+

Which of the following are the properties of acids?

• It has no smell

• It has a pH less than 7

• It turns red litmus paper to blue

• It conducts electricity

• It has a pungent smell

HCl is

• Nitric acid

• Sulphuric acid

• Acetic acid

• Hydrochloric acid

Bases that are soluble in water are called___________.

• Organic bases

• Mineral bases

• Hydroxides

• Alkalis

Calcium hydroxide is commonly known as ____________.

• Slaked lime

• Caustic soda

• Caustic potash

• Milk of magnesia

Which one of the following ions are released by bases?

• SO4-

• OH-

• HOH

• H+

Milk of magnesia is used as an antacid to neutralize acids in the stomach. It contains __________.

• Aluminium hydroxide

• Potassium hydroxide

• Magnesium hydroxide

• Calcium hydroxide

• Sodium hydroxide

Choose the odd one out.

• China rose

• Methyl red

• Turmeric

• Red cabbage