Acids, Bases and Salts

What is the name of the acid King of chemicals?

• Hydrochloride acid

• Sulfuric acid

• Nitric acid

• Carbonic acid

Which of the following is an acid given below?

• C₂H₅OH

• CH₃COOH

• C₂H₅CHO

• All the above

Compound used for preparation of baking powder.

• Na₂CO₃

• NaOH

• NaCl

• NaHCO₃

Antacid medicine is used for indigestion because

• it neutralizes the acid produced

• it neutralizes digested food material.

• it oxidizes food material

• it helps to produce digestive juice

Antacids are used......

• to produce acid in the stomach

• to produce water in the stomach

• to neutralize excess base in the stomach

• to neutralize excess acid in the stomach

Which one of the following metals reacts both with acid and base and releases hydrogen gas?

• Na

• Fe

• Zn

• Cu

Which substance in the following in its aqueous solution reacts with carbonate to give a gas that turns lime water milky?

• sodium carbonate

• copper sulfate

• hydrochloric acid

• potassium permonganate

Which gas is produced when metal carbonate reacts with acids?

• oxygen

• carbon dioxide

• Nitrogen

• Hydrogen

Which one of the following is given to a person who suffers from acidity to get relief from it?

• carbonated water

• baking soda

• vinegar

• lime juice

Colour of methyl orange indicator in acidic medium is......

• yellow

• green

• orange

• red