Fig5.1 shows an apparatus that was set up to investigate diffusion Fig5.2 shows the results for two samples of ammonium hydroxide that were investigated
Fig5.1 gives data for third sample, C of ammonium hydroxide that was investigated
¡,suggest what caused the litmus paper to go blue
¡¡¡, what can you suggest about the concentration of sample c

b) the inside picture would look at a very high temperature in a very low ph

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.