Answer: pink-purple
Explanation: Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.
Answer:
3) they lose energy at a varying rate - is the correct answer.
Radioactive decay is defined as the process by which an unstable atomic nucleus loses its energy by emitting radiations. The decay is random and cannot be predicted earlier.
Read more on Brainly.com - brainly.com/question/10799925#readmore
Explanation:
Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
What are the options?
Explanation:
