chemistry

• what is the ph of pure water?

  7
• is water acid or alkali

  none its neutral
• the ph scale measures how acidic or alkali a solution is, the higher the number the more acidic or alkaline
• what is the strongest value of acid and which solution has this value ?

  ph 0 ,Hydrochloric acid
• how do we write chemical reactions?

  as word equations or symbol equations
• acid + alkali = salt + water