The correct answers to these questions on solutions, elements, and compounds are provided below:
- 15. D. Have constant boiling temperature and melting temperature
A solution is a sort of homogenous mixture whereby a solute is dissolved in a solvent. A mixture refers to two or more substances that are not chemically combined.
In a mixture of two substances with iron as a constituent, a magnet can be used for separation purposes.
A pure substance has just an element or compound whose boiling and melting temperature is constant.
This is unlike a mixture that boils and melts over a range of temperatures.
Conclusively, the above bullet answers are the separation techniques and states of matter.
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brainly.com/question/19669337
Answer:
I never met Franklin D Roosevelt so i dont know
Explanation:
Answer:
jenna is fast like a cat
Explanation:
like is for similes :))) and maybe smiles too?? <3
Answer:
Contraction.
Explanation:
Can't is a concraction of cannot.
Insects, and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air<span> by a system of </span>air<span>-filled </span>tubes<span> called tracheae. Tracheae open to the outside through small holes called spiracles. In the</span>grasshopper<span>, the first and third segments of the thorax have a spiracle on each side.</span>
