Which one of the following Chinese means accurately describes word “graphite”？

Which one of the following Chinese means accurately describes word “Reduction”？

Which one of the following Chinese means accurately describes word “Cathode”？

Which one of the following Chinese means accurately describes word “Nitric acid”？

Which one of the following Chinese means accurately describes word “Insulators”？

Which one of the following Chinese means accurately describes word “Crystallization”？

Which one of the following Chinese means accurately describes word “Reagent”？

Which one of the following Chinese means accurately describes word “Titration”？

Which one of the following Chinese means accurately describes word “Halogen”？

Which one of the following Chinese means accurately describes word “Ammonium”？

Which one of the following Chinese means accurately describes word “Macromolecules”？

Which one of the following Chinese means accurately describes word “Ionic bond”？

Which one of the following Chinese means accurately describes “Conical flask”？

Which one of the following Chinese means accurately describes word “Anhydrous”？

Which one of the following Chinese means accurately describes word “litmus”？

Which one of the following Chinese means accurately describes word “Electrolysis”？

Which one of the following Chinese means accurately describes word “Delocalised”？

Which one of the following Chinese means accurately describes word “Concentrated”？

Which one of the following Chinese means accurately describes word “combustion”？