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Matter

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Preguntas del test (10)

1Which of the below are a compound?
1. AHelium
2. BWater
3. CCarbon
4. D Carbon Dioxide
5. ECO
6. FSugar
7. GZinc
2Which of the below is a mixture?
1. ABronze alloy
2. BSugar
3. CAir
4. D Salt water
5. ESalt
6. FWater
3Which of the following is a heterogeneous mixture?
1. AAir
2. BSoil
3. CIron
4. DPizza
5. ESalt Water
6. FAlcohol solution
4Which of the following are physical changes?
1. Aphotosynthesis
2. B liquid water turning into ice
3. C wood burning
4. D copper wire bending
5. E bread baking
6. Fwater evaporating
5Which of the following observations would indicate a chemical reaction has occurred?
1. Acolor change
2. Btemperature change
3. Cprecipitate forms
4. Dgas is produced
5. Emass has changed
6If you wanted to separate sand from water, which method of separation would you use?
1. Adistillation
2. Bfiltration
3. Cosmosis
7If you wanted to separate alcohol from water, two liquids, which method would you use?
1. Adistillation
2. Bfiltration
3. Cosmosis
8Elements can be broken down into other forms of matter.
1. AVerdadero
2. BFalso
9Compounds can be broken down into other substances.
1. AVerdadero
2. BFalso
10Matter can be created and destroyed.
1. AVerdadero
2. BFalso