Give the compound name or formula as required. Fill in the blanks with the word or phrase that correctly complete the following statements concerning qualitative tests for ions in solution. Give the compound name or formula as required. Fill in the blanks in the following statements concerning catalysts. The small amount of chlorine present in the upper atmosphere destroys large amounts of ozone that blocks much of the sun s ultraviolet radiation.
Some laundry detergents are much better at removing food and bloodstains than others.