3 sentences

1. 这种化学溶液呈现蓝色。

   zhè zhǒng huà​xué róng​yè chéng​xiàn lán​sè.

   This chemical solution appears blue.

   Source: Dong Chinese Dictionary

2. 由于化学反应，溶液呈淡紫色。

   yóu​yú huà​xué fǎn​yìng, róng​yè chéng dàn zǐ​sè.

   The solution appeared light purple due to a chemical reaction.

   Source: Dong Chinese Dictionary

3. 活泼金属可以将不活泼金属从其盐溶液中置换出来。

   huó​po jīn​shǔ kě​yǐ jiāng bù huó​po jīn​shǔ cóng qí yán róng​yè zhōng zhì​huàn chu​lai.

   Active metals can displace inactive metals from their salt solutions.

   Source: Dong Chinese Dictionary