Acids And Alkalis Flashcards
What does (aq) mean?
Aqueous, dissolved in water
What do acids produce in aqueous solutions?
Hydrogen ions
What would hydrochloric acid, in an aqueous solution be split into?
Hydrogen, chloride
What are bases?
Chemicals that can neutralise acids
That produce salt and water
What are alkalis ?
Bases, that are soluble in water
What do alkalis produce in aqueous solutions?
Hydroxide ions (OH)
On the Ph scale what are 0-6
Acids
On the Ph scale what is 7
Neutral
On the Ph scale what is 8-14
Alkaline
What is a universal indicator
Determines PH electronically
What is a universal indicator
Whatever colour the product turns, it can correspond to the Ph numbers colours.
What is the neutralisation equation?
Hydrogen + Hydroxide —-> Water
Acid + Alkaline —-> Water