Which product in the reaction forms a precipitate? O KNO3
O AgCI
O AgK
O no precipitate formed

What does x represent in the formula for the compound xcl4?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Compare and contrast physical changes with chemical changes.