posted by .

Please check my answers (at the bottom) with these questions.

1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point)
physical property
chemical property
physical change
all of the above

2. When a chunk of dry ice is at room temperature, a cloud of carbon dioxide vapor forms. The carbon dioxide is changing from a ____. (1 point)
solid to a liquid
solid to a gas
liquid to plasma
liquid to a gas

3. A solution that contains all the solute it can hold under the given conditions is ____. (1 point)

4. Which of the following properties is not characteristic of acidic solutions? (1 point)
has a sour taste
conducts electricity
feels slippery
is corrosive to certain metals

5. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)
a precipitate
an alloy
a solute

6. Stainless steel is an example of a ____ solution. (1 point)

7. Which of the following correctly describes a solution with pH of 2? (1 point)
weakly acidic
weakly basic
strongly acidic
strongly basic

9. The freezing point of a substance is ________ the melting point of the same substance. (1 point)
greater than
less than
equal to
unrelated to

10. For most substances, the distance between particles is smallest when the substance _________. (1 point)
exists as a gas
exists as a liquid
exists as a crystalline solid
exists as an amorphous solid

11. Which of the following factors does not affect the behavior of a gas in a closed container? (1 point)
the number of particles
the average kinetic energy
the cohesive forces within the gas
the size of the container

12. Pascal's principle can be applied to ____. (1 point)
all states of matter
solids and gases only
solids and liquids only
liquids and gases only

13. Particles with more energy move __________ than particles with less energy. (1 point)
slower and closer together
faster and farther apart
faster and closer together
slower and farther apart

15. During an experiment, you find that you can dissolve 3.6 g of a substance in 300 mL of water at 25°C. How much of the substance would you predict that you could dissolve in 600 mL of water at the same temperature? (1 point)
1.8 g
3.6 g
7.2 g
5.4 g

16. Which of the items below is an example of a base in your everyday life? (1 point)
all of the above



Thank you for all who helps out!

  • Science -

    Please help I really need my answers checked

  • Science -

    P.S I am not cheating, I have already done the test I am just seeing how I did.

  • Science -

    Why don't you check your grades then. You would be able to see how you did right?

  • Science -

    I know that number 10 is right

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    Water and gasoline are both clear liquids at room temperature. Describe one physical property and one chemical property that might be used to distinguish between them. Plz help physical:smell chemical: pH value What about density?
  2. Chem Lab

    Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º C-melting point is physical property •Reacts
  3. science

    1. The ability of an apple to change color when exposed to air is a ____. (1 point)physical property chemical property physical change chemical change 2. Which of the following is NOT a possible sign of a physical change?
  4. science

    Will you please check? Physical or chemical properties 1. bitter taste = physical taste 2. can neutralize a base= physical property 3. boiling point = physical property 4. reacts with a base to form water= physical 5. reacts with acid
  5. Science ASAP please

    1. Which of the following is an example of density?
  6. Science

    1. Density is the relationship between ____. (1 point) mass and volume cubic centimeters and pounds weight and volume grams and mass 2. Which of the following is NOT a possible sign of a chemical change?
  7. Science

    What is anything that has mass and takes up space?
  8. science

    Here are all the word you can use chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property …
  9. science

    What is anything that has mass and takes up space?
  10. CHECK my answers Physical science

    1. which of the following should be classified as a suspension?

More Similar Questions