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| 1. |
Two beakers A and I3 contain water. Glucose is added to beaker A and ammonia gas is passed through beaker B. What types of changes (physical or chemical) take place in the beakers? Justify. |
| Answer» Solution :When glucose is added to BEAKER A containing WATER, dissolution takes place. It is a PHYSICAL change. When ammonia gas is passed through beaker B containing water, formation of `NH_4OH` takes place. This is a chemical change. | |