Question

29. The given pie chart shows the result of a survey carried out to find modes of travel used by
children to go to school. Study the pie chart and answer the following questions:
i. What is the most common mode of transport?
ii. What fraction of children travel by each of the mode car, cycle, taxi and bus? iji. If
18 children travel by car, how many children took part in the survey?
Car
90°
Bus
120°
Cycle
60°
60°
30°
Taxi
Walk​

Answer 1

Answer:

The titration of potassium permanganate (KMnO4) against Mohr salt is an example of redox titration. In close proximity to the endpoint, the action of the indicator is analogous to the other types of visual colour titrations in oxidation-reduction (redox) titrations.

Answer 2

Answer:

the titration of potassium permanganate......