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16 questions
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- Q1Which of the following is defined as the substance you have MORE of in a solution?MixtureSolutionSoluteSolvent30sSPS6a
- Q2What is a solute?The substance you have less of in a solutionOnly a solidThe substance you have more of in a solutionSolutions made of salt30sSPS6a
- Q3What is concentration?How much mass of solute is in a certain volume of solutionHow much solution you haveThe density of a solutionHow much mass of solvent is in a certain volume of solution30sSPS6a
- Q4How does concentration change if I increase the amount of solvent?It will decreaseIt will increaseIt will stay the same30sSPS6a
- Q5How does concentration change if I increase the amount of solute?It will stay the sameIt will decreaseIt will increase30sSPS6a
- Q6How does concentration change if I decrease the amount of solute?It will decreaseIt will increaseIt will stay the same30sSPS6a
- Q7How does concentration change if I decrease the volume of solution?It will decreaseIt will stay the sameIt will increase30sSPS6a
- Q8Which of the following correctly describes dissolution?The degradation of solution into smaller compoundsThe process of dissolvingThe process of a solution evaporating away30sSPS6b
- Q9Which of the following factors will NOT increase the rate of dissolution?Increasing the surface area of the soluteDecreasing the temperatureStirring the solutionIncreasing the temperature30sSPS6b
- Q10Why do heating and stirring/agitation cause solutes to dissolve faster in a solution?They increase the kinetic energy of the particles, allowing them to spread out more quicklyThey decrease the kinetic energy of the particles, allowing them to move more quicklyThey do not allow solute to dissolve faster30sSPS6b
- Q11Why does increasing the surface area of the solute (e.g. crushing it up) cause it to dissolve faster?Small particles have less energy than big particlesMore of the particles are available of the surface to separate from one another and spread throughout the solventCrushing the solute will cause it to dissolve slower not faster30sSPS6b
- Q12Which of the following accurately defines agitation (in reference to solutions)?AnnoyingBotheringHeating upStirring30sSPS6b
- Q13What type of compounds conduct electricity when dissolved in a solution?Ionic compoundsCovalent compounds30sSPS6a
- Q14What is the relationship between the concentration of an ionic compound (e.g. salt) and strength of electrical conductivity?The higher the concentration the stronger the electrical conductivityThe higher the concentration the less electrical conductivityConcentration does not affect electrical conductivity30sSPS6a
- Q15Does sugar conduct electricity when dissolved in solution?It depends on the concentrationYesNo30sSPS6a