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NEW SCIENCE In Everyday Life
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Chapter 5 - Acids, Bases and Salts
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Exercises
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Q 2
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EASY
7th CBSE
IMPORTANT
Earn 100
Hydrochloric acid is a corrosive acid. Yet, it is released in our stomach. How come it does not corrode the stomach?
Important Questions on Acids, Bases and Salts
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life
>
Chapter 5 - Acids, Bases and Salts
>
Exercises
>
Q 1
Poonam spilled a sanitary ware cleaner on the marble flooring of the bathroom, and was surprised to see that the marble got discoloured. Analyse what could be the reason for the marble getting spoiled.
EASY
7th CBSE
IMPORTANT
NEW SCIENCE In Everyday Life
>
Chapter 5 - Acids, Bases and Salts
>
Exercises
>
Q 2
Evaluate why the same cleaner does not spoil sinks and sanitary ware even when used on a daily basis but harmed the marble floor at once.
