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sodium hydroxide is an example of
alkali / bases
sulfuric acid has a pH above 7, true or false?
false
acids dissolve in water to produce ..... ions
hydrogen ion (H+)
alkali dissolve in water to produce ...... ions
hydroxide (OH-)
The easies way to know the pH of a substance is by testing it using ....
an indicator
all bases can neutralize .....
acid
red litmus turns blue when it is dipped in ...... solution
alkali
universal indicator turns red when it is dipped in ....... solution
acidic
Potassium hydroxide solution has a pH below 7. true or false?
false
magnesium oxide (MgO) is an alkali. true or false
false
H2SO4 is an acid. True or false
true
MgO, CaOH, KOH and CuO are all bases. true or false?
true
in neutral solution, the amount of hydroxide ion and hydrogen ions are equal. True/ false
true
in an acid solution, the amount of hydroxide ions are ..... than hydrogen ion
less
