'Bounding putty' is a toy-like substance that is in a state between a liquid and a solid. If it is thrown on the wall, it bounces back like a ball. But, if it is placed on the table, it collapses into a thick liquid. It is made of :

Silicone rubber

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Tyre rubber

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Polythene

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Fibreglass treated with wax

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Solution

The correct option is A Silicone rubber
Putty is a stretchable and moldable material that you can use in a variety of ways such as craft projects, home projects and for securing objects. Different types of putty work better for different applications. Some putty serves as a toy for kids, while other putty can cover cracks in floors and walls.
Bounding putty is made from a mixture of silicone polymers (about 70 wt%) and other chemicals, including boric acid. Powdered fillers (clay and calcium carbonate) and dry pigments (to produce color or glitter) are also added. A homemade recipe can be made from mixing together water, white glue, and borax solution.
Hence option A is correct answer.

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