Acids And Bases Question Preview (ID: 9986)


Introduction To Acids/bases And PH. TEACHERS: click here for quick copy question ID numbers.

Some materials change this property when in contact with acids/bases, making them great indicators
a) acidity
b) color
c) smell
d) concentration

What ions are present in large amounts for a solution with a pH of 10?
a) hydrogen ions
b) hydronium ions
c) hydroxide ions
d) oxygen ions

What is the symbol for a hydroxide ion?
a) OH-
b) H2O
c) H3O+
d) H2O2

If a drop of apricot juice (pH of 4.5) was placed on litmus paper, it would turn which color?
a) red
b) blue
c) purple
d) yellow

The pH of apricots is 4.5. The juice of an apricot is:
a) basic
b) neutral
c) acidic
d) none of the above

The reaction between an acidic solution and a basic solution is called
a) saturation
b) neutralization
c) substance
d) mixture

What is the symbol for the hydronium ion?
a) OH-
b) H2O
c) H3O+
d) H2O2

Which is a property of acidic solutions?
a) They taste sour
b) They feel slippery
c) They are in many cleaning products
d) They taste bitter

Which is NOT a property of a base?
a) They have a pH above 7
b) They produce hydroxide ions
c) They are slippery and bitter
d) They change litmus paper to a red color

Stomach acid has a pH of
a) 0
b) 2
c) 7
d) 14

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