An experiment was done to find out which artificial colourings were present in two soft drinks. The results are shown below. Which of the known colourings (W to Z) was present in drink 1 only?

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.