Chemistry Project

ACKNOWLEGEMENTS
ACKNOWLEGEMENTS

First of all I would like to thank my chemistry teacher Ms. Shyamala for providing adequate information which was a great helping hand from her .I would like to thank my parents. Even their support was an immense assistance.

First of all I would like to thank my chemistry teacher Ms. Shyamala for providing adequate information which was a great helping hand from her .I would like to thank my parents. Even their support was an immense assistance.

Certificate

I here by certify that, original and genuine research work is carried out to investigate about the subject matter and the related data collection and has been completed solely and satisfactorily by this student regarding the project title,

“Determination of acid values of lemon and tomato”

Signature
(Subject teacher)

Contents

Contents

Apparatus
Apparatus

Procedure

Procedure

Observation table
Observation table

S.NO | VOLUME OFEXTRACT(ml) | INITIAL READING(ml) | FINAL READING(ml) | VOLUME OF ‘KOH(ML) | 1. | 5 | 0.0 | 10.5 | 10.5 | 2. | 5 | 10.5 | 20.8 | 10.3 | 3. | 5 | 20.8 | 31.1 | 10.3 | 4. | 5 | 31.1 | 41.1 | 10.3 |

TITRATION OF LEMON

Liquid in burette………………………KOH solution
Amount of lemon taken…………………… 75gm
Volume of extract made up to……………….250ml
Concordant volume of KOH………………..10.5ml

Acid volume of Lemon

Acid volume of Lemon

Result

Acid value of lemon is 41.06gm.
Result

Acid value of lemon is 41.06gm.

Observation table
Observation table

TITRATION OF Tomato

Amount of tomato taken…………200gm
Volume of extract made up to…….250ml S.NO. | VOLUME OF EXTRACT(ml) | INITIALREADING(ml) | FINALREADING(ml) | VOLUME OF KOH(ml) | 1. | 5 | 0.0 | 3.5 | 3.5 | 2. | 5 | 3.5 | 6.5 | 3.0 | 3. | 5 | 6.5 | 9.5 | 3.0 | 4. | 5 | 9.5 | 12.5 | 3.0 |
Concordant volume of KOH………..3.0ml

Acid volume of Tomato

Acid volume of