Neutralisation reactions Flashcards
pass my tests (26 cards)
What is a neutralisation reaction?
A chemical reaction between an acid and a base that produces water and a salt.
True or False: In a neutralisation reaction, the pH of the resulting solution is typically 7.
True
Fill in the blank: The products of a neutralisation reaction are _____ and _____.
water, salt
What is the general equation for a neutralisation reaction?
Acid + Base → Salt + Water
What is an example of a strong acid and a strong base reacting together?
Hydrochloric acid (HCl) reacting with sodium hydroxide (NaOH).
Which common household product can be used as a base in neutralisation reactions?
Baking soda (sodium bicarbonate)
True or False: Neutralisation reactions can only occur in aqueous solutions.
False
What is the role of an indicator in a neutralisation reaction?
To show the endpoint of the reaction by changing color.
What salt is produced when hydrochloric acid reacts with sodium hydroxide?
Sodium chloride (NaCl)
Fill in the blank: Neutralisation reactions are commonly used in _____ to treat indigestion.
antacids
What happens to the pH of an acidic solution during a neutralisation reaction?
It increases towards 7.
What is a real-world application of neutralisation in agriculture?
Liming acidic soils to improve crop yield.
True or False: Neutralisation reactions always produce strong bases.
False
What is the result of neutralising sulfuric acid with potassium hydroxide?
Potassium sulfate (K2SO4) and water.
What type of reaction is a neutralisation reaction classified as?
Exothermic reaction
Fill in the blank: The process of _____ involves using neutralisation to adjust the pH of wastewater.
water treatment
What type of acid is citric acid?
Weak acid
Which gas can be released during some neutralisation reactions involving carbonates?
Carbon dioxide (CO2)
What is the neutralisation reaction between acetic acid and sodium bicarbonate?
Produces sodium acetate, water, and carbon dioxide.
True or False: Neutralisation reactions can help in reducing soil acidity.
True
What is the primary use of antacid tablets?
To neutralise excess stomach acid.
What is the typical pH of a neutral solution?
7
What is formed when an acid reacts with a metal hydroxide?
Salt and water
What is the name of the process where acids and bases neutralise each other?
Neutralisation
