Which uses of iron are due to its chemical properties?

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Which best describes why nh4+ can form an ionic bond with cl-?

Is laundry detergent an acid or a base?