Two students tested a green compound X. The students added water to compound X. Compound X did not dissolve. The students then added a solution of ethanoic acid to compound X. A gas was produced which turned limewater milky. Student A concluded that compound X was sodium carbonate. Student B concluded that compound X was copper chloride. Which student, if any, was correct? Explain your reasoning. – 6179

Q1.

Two students tested a green compound X. The students added water to compound X. Compound X did not dissolve. The students then added a solution of ethanoic acid to compound X. A gas was produced which turned limewater milky. Student A concluded that compound X was sodium carbonate. Student B concluded that compound X was copper chloride. Which student, if any, was correct? 

Explain your reasoning. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ (4)