THIS IS TO CERTIFY THAT SIDDHANT TIWARI OF
CLASS 12TH OF BEENA PUBLIC SCHOOL HAS
COMPLETED HIS PROJECT ON THE TOPIC “THE
STUDY OF THE EFFECT OF THE POTASSIUM
BISULPHITE AS A FOOD PRESERVATIVE”.
I CERTIFY THAT THIS PROJECT IS UPTO MY
EXPECTATIONS AND AS PER THE GUIDELINES
ISSUED BY THE CBSE.
EXAMINER’S SIGN
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PRINCIPAL SIGN
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TEACHER’S SIGN
DATE
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SCHOOL STAMP