Vol 12, No 2 (2020)

August 2020

Table of Contents

Articles

Identification of metal content in food using gravimetric and iodometric methods: The case on children's food
DOI : 10.24114/jpkim.v12i2.19395 | Abstract views : 10 times
Nelius Harefa, Saronom Silaban
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52-61
Determination antioxidant activities methanol extracts of bangun-bangun (Coleus amboinicus L.) Leaves with DPPH method
DOI : 10.24114/jpkim.v12i2.19397 | Abstract views : 12 times
Kasta Gurning
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62-69
Phytochemical screening of bunga rosella (Hibiscus sabdariffa L) and antimicrobial activity test
DOI : 10.24114/jpkim.v12i2.19398 | Abstract views : 7 times
Hermawan Purba, Helen Anjelina Simanjuntak, Risanti Situmorang
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70-78
Sensitivity of two-tier and three-tier tests in detecting student’s misconceptions of chemical bonding
DOI : 10.24114/jpkim.v12i2.19405 | Abstract views : 9 times
Ebiati Ebiati, Asrial Asrial, Muhammad Haris Effendi-Hasibuan
PDF
79-87
The effect of portfolio-based learning models and self-regulated learning on student’s creative thinking skills on acid and base materials
DOI : 10.24114/jpkim.v12i2.19406 | Abstract views : 7 times
Rini Alfiahas, Asrial Asrial, Damris Muhammad
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88-94