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Statement1:`PUF`(polyurethane foam) is spongy. Statement 2:During the preparation of `PUF,CO_(2)`is evolved ,which forms bubbles that are trapped within the bulk of polymer.As it solidifies ,it gives spongy product.A. Statement `1` is true ,statement `2`is true,statement`2`is the correct explanation of statement`1`B. Statement `1` is true ,statement `2`is true,statement`2`is not the correct explanation of statement`1`C. Statement `1` is true ,statement `2`is falseD. Statement `1` is false,statement `2`is true |
| Answer» Correct Answer - A | |