Questions: learning - Courses activity/6001003/assessment 6.1.3 Exam: Semester 1 Exam Question 14 of 25 Which of the following is an example of a chemical change? A. A liquid evaporating B. A solid dissolving C. A precipitate forming D. A mixture forming SNBMIT 'REVIOUS

learning - Courses activity/6001003/assessment 6.1.3 Exam: Semester 1 Exam Question 14 of 25 Which of the following is an example of a chemical change? A. A liquid evaporating B. A solid dissolving C. A precipitate forming D. A mixture forming SNBMIT 'REVIOUS
Transcript text: learning - Courses activity/6001003/assessment 6.1.3 Exam: Semester 1 Exam Question 14 of 25 Which of the following is an example of a chemical change? A. A liquid evaporating B. A solid dissolving C. A precipitate forming D. A mixture forming SNBMIT 'REVIOUS
failed

Solution

failed
failed

Solution Steps

Step 1: Identify the Nature of Each Option
  • Option A: A liquid evaporating - This is a physical change because the substance changes its state from liquid to gas without altering its chemical composition.
  • Option B: A solid dissolving - This is also a physical change as the solid disperses in the solvent but does not change its chemical structure.
  • Option C: A precipitate forming - This is a chemical change because it involves the formation of a new substance (the precipitate) from a chemical reaction between two solutions.
  • Option D: A mixture forming - This is a physical change because the components of the mixture retain their individual properties and no new substance is formed.
Step 2: Determine the Correct Answer
  • Based on the analysis, the only option that represents a chemical change is the formation of a precipitate.

Final Answer

\(\boxed{\text{C. A precipitate forming}}\)

Was this solution helpful?
failed
Unhelpful
failed
Helpful

Questions asked by other users

failedAnswered
In a lab, silver nitrate, AgNO3, is dissolved in water until no solid is observed in the container. Then, a solution of sodium chloride, NaCl , is added to the container. When you combine these aqueous solutions, there is no noticeable change in temperature; however, a solid precipitates and there is a slight change of color. Which statements about the lab experiment involving silver nitrate and a sodium chloride solution are true? - The color change of the solution indicates a chemical reaction occurred. - A chemical reaction did occur when the solutions were combined. - The lack of temperature change indicates a chemical reaction didn't occur. - The initial disappearance of silver nitrate in water indicates a chemical reaction occurred. - Formation of a solid indicates a chemical reaction occurred. - A chemical reaction occurred when silver nitrate was added to water.
failedAnswered
2 Points At divergent plate boundaries: (A) plates move apart and new lithosphere is formed (B) plates come together and new lithosphere is formed (C) plates slide horizontally past each other (D) none of the other answers is correct (E) plates come together and one plate is recycled into the mantle
failedAnswered
Which properties are used to add these complex numbers? Choose all that apply. (7+2i)+(4+3i)=(7+4)+(2i+3i)=11+5i A. Commutative property B. Distributive property C. Associative property D. None of the above
failedAnswered
Re-order each list of elements in the table below, if necessary, so that the elements are listed in order of decreasing electronegativity. elements elements in order of decreasing electronegativity ------ Se, Cl, Br N, O, F
failedAnswered
Question 19 Which statement explains the antagonist relationship of insulin and glucagon? Insulin increases blood glucose and glucagon decreases it. Insulin increases blood volume and glucagon decreases it. Insulin decreases blood glucose and glucagon increases it. Insulin decreases blood volume and glucagon increases it. Confident Not Sure