Question 1.
What is the test for acids and bases using litmus paper?
Question 2.
What name is given to those substances which do not change the colour of either
red or blue litmus paper?
Question 3.
Write the name of two indicators which occur naturally.
Question 4.
Name the acid present in lemon juice and tomato.
Question 5.
Name a substance which is used to cure the discomfort caused by indigestion due to
over eating.
Question 6.
Why does a turmeric stain on white shirt is turned to red when it is washed with
soap?
Question 7.
Is lime water an acidic or basic solution?
Question 8.
What is the nature of baking soda?
Question 9.
Name the reaction when an acid is mixed with base.
Question 10.
Which acid is injected into our body by an ant sting that causes pain?
Answers
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Answer:
answer of 2 is neutral
Explanation:
the substance which did not its color is called neutral
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