Share Grade 6 - Chapter 7 (Material Changes)
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What does an indicator do?
Show whether a solution is acidic or basic
Would pH 9 be acidic, neutral or alkaline?
Basic
Would pH 2 be acidic, neutral or alkaline?
acidic
Would pH 7 be acidic, neutral or alkaline?
neutral
What is another word for alkaline?
base
Give an example of an alkali
sodium hydroxide or anything with an hydroxide
Give an example of an acid
hydrochloric acid, nitric acid, sulphuric acid, citric acid
Is vinegar acidic, alkaline or neutral?
acidic
Is orange juice acidic, alkaline or neutral?
acidic
Is detergent acidic, alkaline or neutral?
Basic
Give an example of a neutral solution
water
What is one property of an acid?
sour tastse, corrosive, conducts electricity
What is one property of an alkali?
caustic, bitter taste, conduct electricity
what is the reaction caused when an acid reacts with an alkali?
neutralization
True or false? Alkali are not dangerous
false
what is the range of the pH scale?
0 to 14
