Chemical reactions happen all around us (and inside us!) all the time. We might not always notice them but there are four indicators that show a chemical reaction has taken place: A colour change ...

昨天（3月13日），科睿唯安公布了ESI（Essential Science Indicators，简称ESI）最新统计数据。在 化学 学科领域（CHEMISTRY）评价中，南开大学首次进入 全球前万分之一 ，这意味着南开大学在化学学科领域研究水平达到世界顶尖层次，实现发展新突破、开创发展新局面。

A chemical reaction is when one or more substances change and produce one or more new chemical substances. The substances that are involved in a chemical reaction and that are changed by it are ...

How can you tell if something is an acid or a base? Acids and bases can change the color of substances called acid-base indicators. Red cabbage contains a chemical called anthocyanin. This pigment is ...

The film explains the chemical reactions involved, particularly focusing on bromothymol blue as an indicator, and discusses the concept of hydronium and hydroxide ions in neutral, acidic ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

Osaka Metropolitan University researchers have now found key indicators to assess the chemical activity and temperature of ...