Question 3: Choose the incorrect statement.
Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water.
Indicator is a substance which shows different colours in acidic and basic solutions.
Tooth decay is caused by the presence of base.
Sodium hydroxide turns red litmus blue.
Answers
Answered by
0
Answer:
2 one is the incorrect sattement
Answered by
1
Answer:
2
Explanation:
because 1 st statement is truth about indicators .
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