I think it’s 2 hope that helped
B. The surface of a silver cup turns black when it is exposed to air.
Hey there
Thats easy
Precipitation occurs when cations and anions in aqueous solution combine to form an insoluble ionic compound called precipitation. So, you can refer to a solubility chart or draw polar/nonpolar lewis structures, that might be helpful.
Remember water is polar so polar molecules will dissolve in water
Answer:
D)
Explanation:
seems like the most logical option out of all listed.