The purpose of this practical is to prepare a pure, dry sample of a soluble salt from an insoluble oxide or carbonate The acid and solid need to be chosen. Use hydrochloric acid to make a chloride, ...

The team genetically engineered fruit flies to make naked mole rat cGAS and found that they lived 70 days—10 days longer than ...

The reactivity series shows metals in order of reactivity. The reactivity of a metal is related to its tendency to form positive ions. Iron and aluminium are extracted from their ores in various ways.

Weather forecasting is a powerful tool. During hurricane season, for instance, meteorologists create computer simulations to forecast how these destructive storms form and where they might travel, ...