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Subject :Chemistry    Class : Class 7

Acids which dissociate completely in water to give a large number of hydrogen ions are called strong acids while the acids which do not dissociate completely in water are called weak acids. Acids can also be classified as mineral acids which are prepared from minerals and organic acids which are found in plants and animals. Several fruits like orange, lemon, grapes etc. contain acids.
Which of the following is not correctly matched?

A Citric acid—Lemon
B Lactic acid—Sour milk
C Oxalic acid—Tomatoes
D Acetic acid—Apples


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