Share Acids and Alkalis
Save to Folder
Which piece of equipment gives a precise digital reading of pH?
pH Meter
What must a "good" indicator do to be effective?
Show a sharp color change
Which pH range represents alkaline solutions?
8 - 14
What color does Universal Indicator turn in a strong acid?
Red
As the pH of an acid moves from 1 towards 6 its strength:
Decreases
Decreases
Which of these is a common household acid?
Lemon Juice
Which of the following is one of the three main laboratory acids?
Nitric Acid
What are the two products of a neutralisation reaction?
Salt and Water
Name the salt: Potassium hydroxide + Nitric acid -> ?
Potassium Nitrate
Name the salt: Sodium hydroxide + Hydrochloric acid -> ?
Sodium Chloride
Which piece of lab equipment is used to evaporate water and isolate a dry salt?
Evaporating Basin
What are the three essential elements for plant growth found in fertilisers?
Potassium, Nitrogen, Carbon
Potassium, Oxygen, Sulfur
Phosphorus, Nitrogen, Potassium
Phosphorus, Nitrogen, Potassium
Why is it critical for a fertiliser to be water soluble?
So it can be taken up by roots
Which equipment is used with filter paper to separate a solid from a liquid?
Filter Funnel
