which is a pure substance?\nair\nnitrogen\napple juice\ntap water
which is a pure substance?\nair\nnitrogen\napple juice\ntap water
Answer
Brief Explanations:
A pure substance has a fixed - composition. Air is a mixture of gases, apple juice is a mixture of water, sugars, etc., and tap water contains dissolved minerals and other substances. Nitrogen is an element and is a pure substance.
Answer:
B. nitrogen