Which of the following is not an indication of a chemical change A. Formation of a gas B. Change in color C. Melting D. Change in temperature

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

Which statement best describes the function of enzymes?

Salt in oceans comes from and of rocks