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Chapter 1 WATER MCQs

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1. . The compound which causes permanent hardness in water is:





2. . P/Po =





3. . Pure water has a water activity_____________.





4. . The process in which food deteriorates to the point in which it is not edible to humans.





5. . Fresh foods have water activity ______________.





6. . Dried foods have Aw of ______________ or even less.





7. . The stable food have moisture contents.





8. . The food that contain moisture content 80-95% is called___________.





9. . Water that produces curd with soap and produces very little lather is called.





10. . Water that contains low concentrations of ions is called.





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