Answer: I just took the test. The answer is D! (A single replacement reaction takes place because sodium is more reactive than hydrogen.)
Answer:
1st answer: A. nitrogen
2nd answer: A. Sodium carbonate
Explanation:
Answer is: solute is sugar and solvent is water.
Solute is the substance that is dissolved in another substance or component of a solution that changes its state in forming the solution.<span> </span><span>
Solvent is </span>substance that dissolves a solute, solvent is usually a liquid.
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Nucleus is the right answer i guess