what is an indicator

what colour does blue litmus turn in
a) an acid
b)a neutral substance
c)an alkaline

what colour does methyl orange turn in
a)an acid
b) a neutral substance
c)an alkaline

what colour does phenophaylein turn in an alkaline?

what does the pH scale measure?

what are the features of a neutral substance?

what are the features of an acid?

what are the features of an alkali?

what is the difference between a strong and weak acid?

give 3 examples of a strong acid and give their formulas.

give an example of a weak acid

what does a base do?

what does a base do?

give 3 examples of a base and their formulas

what is an alkali?

what is the difference between strong and weak alkalis?

give 3 examples of common alkalis

metal+acid=?

carbonate+acid=?

how is acidity in soil affected by acid rain?

acid+alkali=?

is a neutralization reaction endothermic or exothermic?