Science Summative Test

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1. Salt water is a mixture of salt and water, which ingredient is the solvent?

• salt
• water
• salt and water

2. Salt water is a mixture of salt and water, which ingredient is the solute?

• salt
• water
• salt and water

3. Which of the following mixtures is heterogeneous?

• a. salt and sugar dissolved in water
• b. powdered detergent in a pail of waterc
• c. vegetable salad with dressing

4. Your mother prepared pinakbet for lunch. How will you describe its ingredients?

• a. It is a homogeneous mixture because it was evenly mixed.
• b. It is a heterogeneous mixture because its components are visible.
• d. It is a homogeneous mixture because it is not uniform.

5. A vinegar mixed with soy sauce is a homogeneous mixture because

• a. you can easily identify its components
• b. you can only see the dark color of soy sauce
• c. the mixture appears one or uniformed.

6. Which of the following materials can be dissolved?

• a. stone
• b. salt
• cloth

7. If you are going to mix hot water and coffee powder what will happen?

• a. The coffee powder will dissolve in water partially.
• b. The coffee powder will dissolve in water thoroughly.
• a. The coffee powder will not dissolve in water.

8. If you are going to mix hot water and coffee powder what will happen?

• a. The coffee powder will dissolve in water partially.
• b. The coffee powder will dissolve in water thoroughly.
• c. The coffee powder will not dissolve in water.

9. This is formed when one substance is dissolved in another substance.

• a. sols
• b. solution
• c. solute