Among the following which solution is the most acidic?

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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