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Specific gravity of milk at 60ºC a) 0.1 b) 0.5 c) 0.6 d) 0.9 |
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Answer» 0.9Explanation:The specific GRAVITY of milk measured at 15oC or 20OC is NORMALLY 1.028 - 1,033 kg/litre. The specific gravity depends on the protein and fat content. The specific gravity of fat is 0.93, solids-non-fat, 1.6 and WATER 1.0 kg/litre. If the milk is mixed with air, by pumping for example, the specific gravity will be LOWER. The specific gravity of the milk collected by a tanker is usually between 1.015 and 1.020 kg/litre. If the specific gravity is lower than 1.01 kg/litre, this may indicate extraneous water (water content higher that normal). |
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