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Introduction

Acidic, Basic and Neutral materials of Class 7

Many fruits and some vegetables are of sour taste because of the presence of substance known as acid, which have formed naturally in them. All sour materials contain acids. On the other hand there are some substances such as washing soda, lime and materials like soap whose solutions have a soapy touch and a better taste. These materials are bases or alkalis. When an acid and a base react together they form new compounds known as salt and water.NCERT solutions for class 7 Science prepared by pw will help you to solve your NCERT text book exercise.

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