I want you guys to tell me if each one of these are (chemical change) or (physical change) Whoever answers first & RIGHT will get brainliest

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Which statement best describes the he properties of iconic compounds ?