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iragen [17]
2 years ago
5

Real life example of block and tackle

Biology
1 answer:
lianna [129]2 years ago
3 0

A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.

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Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

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The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

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