Classify the ff in to oxide, salt, base, acid.1,sodium sulphate2,hydrogen catbonate

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =