Chemistry Quiz 53 (20 MCQs)

Quiz Instructions

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1. Durning a phase change the temperature of a substance .....
2. Graphene sheets burn at
3. Some dog foods contain corn and wheat that provide the dog with carbohydrates. Why are carbohydrates important to cell processes?
4. Which are the following are used to make detergents? i. petroleumii. fats or oils.iii. sodium hydroxideiv. glycerol
5. How many principles does green chemistry implement?
6. A(n) ..... includes the symbol for the element surrounded by dots.
7. While working on an activity to investigate chemical reactions, a student mixes two clear liquids in a beaker. When the two liquids mix, the result is a clear liquid and an orange solid precipitate. Which best describes the reactants that the student worked with?
8. A quality or condition of a substance that can be observed or measured without changing the substance's composition.
9. What type of bond occurs between atoms that share electrons?
10. Chemists who study the chemistry of living organisms work in the field of .....
11. Grams = ..... kilograms
12. The substance that is dissolved by the solvent in a solution is called the
13. The branch of Chemistry which deals with substances containing $ carbon$ is called .....
14. Define a Chemical Property
15. Mass is measured in the base unit of .....
16. An ion with a negative charge.
17. Which element is a poor conductor of electricity, unmalleable and a non-metal?
18. What are the three particles that make up all atoms?
19. Chemistry is the scientific study of ....., its properties and reactions to form new substances.
20. The ability or inability of a substance to combine with or change into one or more new substances