1. This method is useful in pharmaceutical industry in determining the amount of chemical in each product *
A)Chromatography
B)Distillation
C)Floatation
D)Filtration
2. This technique is based on the differences of the boiling point of the substance in the mixture. *
A)Filtration
B)Chromatography
C)Distillation
D)Floatation
3. This method goes through the process of evaporation and condensation. *
A)Sieving
B)Filtration
C)Decanting
D)Distillation
4. What is the best way to separate dyes or food colors? *
A)Evaporation
B)Chromatography
C)Handpicking
D)Magnetism
5. Which of the following would be best to separate wood chips and water? *
A)Evaporation
B)Floatation
C)Handpicking
D)Magnetism
6. Distillation uses two changes of state. What are they? *
A)Evaporation and Condensation
B)Melting and Boiling
C)Evaporation and Freezing
D)Sublimation and Condensation
7. How would you separate salt solution? *
A)Distillation
B)Filtration
C)Evaporation
D)Magnetism
8. A separating method that allows lighter objects to float. *
A)Distillation
B)Floatation
C)Evaporation
D)Magnetism
9. In what situation would a chemist use distillation? *
A)To cause a chemical reaction
B)To change gas to its liquid phase
C)To help dissolve a substance in a liquid
)To separate a mixture of solutes
D
10. What is the first step in the process of distillation? *
A)Heating a liquid to a boiling point
B)Collecting the distillate
C)Passing vapor through the condenser
D)Reducing the temperature of the mixture
11. Which of the following methods is used to separate colors in the food dyes?
A)Evaporation
B)Distillation
C)Chromatography
D)Magnetism
12. Paper chromatography can help a scientist separate __________ in inks or dyes. *
A)Flavors
B)Colors
C)Smells
D)Pen types
13. Which technique would you use to separate oil and water?
A)Filtration
B)Distillation
C)Floatation
D)Chromatography
15. The following mixtures can be separated by floatation except ________________
A)Oil and vinegar
B)Water and styrofoam
C)Flour and rock salt
D)Water and oil
15. Separating technique applied in metal and non-metal mixture
A)Evaporation
B)Filtration
C)Magnetism
D)Distillation
16. Pick the object that will float when placed in a tub of water *
A)Plastic ball
B)nails
C)Marble
D)Coin
17. Which mixture can be separated by magnetism? *
A)gravel and sand
B)flour and salt
C)sulfur and iron fillings
D)sugar and milk powder
18. Vegetable salad can be separated by what method?
A)Distillation
B)Filtration
C)Handpicking
D)Sifting
19. Sandlike particles mixed with water can be separated by means of ______________.
A)Magnetism
B)Filtration
C)Handpicking
D)Chromatography
20. What technique will you use to separate salt from water? *
_____________________________________
21. What method will you use to separate sulfur from iron filling? *
_____________________________________
22. A mixture of gravel and sand can be separated by ______________.
23. It is a method of separating mixture with the use of hand *
_____________________________________
24. Ink in a filter paper can be separated by what method? *
_____________________________________
Answers
The answers to the questions are:
Explanation:
1. This method is useful in the pharmaceutical industry in determining the amount of chemical in each product - D)Filtration
2. This technique is based on the differences in the boiling point of the substance in the mixture. C)Distillation
3. This method goes through the process of evaporation and condensation.
Crystallization
4. What is the best way to separate dyes or food colors? B) Chromatography
5. Which of the following would be best to separate wood chips and water?
C)Handpicking
6. Distillation uses two changes of state. What are they? A)Evaporation and Condensation.
7. How would you separate salt solution? A)Distillation
8. A separating method that allows lighter objects to float. B)Floatation
9. In what situation would a chemist use distillation? D)To separate a mixture of solutes.
10. What is the first step in the process of distillation? A)Heating a liquid to a boiling point.
11. Which of the following methods is used to separate colors in the food dyes? C)Chromatography
12. Paper chromatography can help a scientist separate B) Colors in inks or dyes.
13. Which technique would you use to separate oil and water? C)Floatation
14. The following mixtures can be separated by floatation except - C)Flour and rock salt.
15. Separating technique applied in metal and non-metal mixture - C)Magnetism
16. Pick the object that will float when placed in a tub of water - A)Plastic ball
17. Which mixture can be separated by magnetism? C)Sulfur and Iron filings
18. Vegetable salad can be separated by what method? C)Handpicking
19. Sandlike particles mixed with water can be separated by means of -B)Filtration
20. What technique will you use to separate salt from water? Distillation
21. What method will you use to separate sulfur from iron filling? Electrical and Magnetic separation.
22. A mixture of gravel and sand can be separated by Sieving
23. It is a method of separating mixture with the use of hand - Handpicking
24. Ink in a filter paper can be separated by what method? Ink chromatography.