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Subjects
Science State Board
Class 9
Acids, bases and salts
Classification, chemical and physical properties
9.
Fundamentals of acids and bases: Select the correct answer
Exercise condition:
4
m.
1
.
State whether the following statement is true or false.
“Pure water turns red litmus into blue.”
False
True
2
.
When the pH level of a substance ranges from \(1\) to \(6\), we can term it as _________.
ion
neutral
base
acid
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