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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang
Mawar Ayu Chayani
STKIP Al Maksum Langkat
Education

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ANALISIS PERUBAHAN WARNA KERTAS LAKMUS DAN INDIKATOR KUNYIT DALAM MENENTUKAN SIFAT ASAM, BASA, DAN NETRAL PADA PRAKTIKUM IPA Irma Yusnida; Khaila Amalia Ramadhani; Mawar Ayu Chayani
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 3, September 2026 Publish
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.16278

Abstract

This study aims to analyze the color changes in litmus paper and turmeric indicators in identifying the acidic, basic, and neutral properties of several types of solutions in science practicum activities. The method used is a simple experiment by testing several samples, namely lime juice, vinegar water, soapy water, and plain water. The test was carried out using red and blue litmus paper and turmeric indicator as a natural indicator. The results of the study showed that litmus paper provided a color change response according to the nature of the solution, where blue litmus turned red in acidic solutions and red litmus turned blue in basic solutions, while neutral solutions did not cause a color change. In addition, the turmeric indicator turned reddish in basic solutions, while in acidic and neutral solutions it remained yellow. Based on these results, it can be concluded that both indicators are effective for determining the nature of solutions, and can help improve understanding of acid-base concepts through science practicums.
Co-Authors Irma Yusnida Khaila Amalia Ramadhani