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प्रश्न
Comment on the following statements:
Sponge though compressible is a solid.
टिप्पणी लिखिए
उत्तर
A sponge is solid but it has minute pores in which air is trapped. These pores make the sponge a soft material. When the sponge is pressed, the air present in the pores comes out and the sponge is compressed.
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