I’m guessing the answer is AX (the first one) sorry if I am wrong tho
Answer:
When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.
A. Smell (Oder) B. Color and D I’m pretty sure because the common properties are Color, Oder, Melting point, and boiling point
In a surface wave, particles of the medium move up and down as well as back and forth in an overall circular motion. The particles don't actually move closer to shore as the waves pass through. In shallow water close to shore, waves start to drag on the bottom of the water.
It is caco3 ok thats the answer