Chemistry Quiz 46 (25 MCQs)

Quiz Instructions:

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1. Anything that has mass and takes up space

2. Why is it important to study chemistry?

3. Water helps living things by:

4. In order to convert to Kelvin, you add _____ to the Celsius measurement.

5. One half the distance between the nuclei of two atoms of the same element when the atoms are joined.

6. What is the organic product of the reaction between 2-chlorobutane and sodium hydroxide solution?

7. This element has 6 valence electrons and its proton number is 8. In which period does the element located in Periodic Table of Elements?

8. A type of mixture in which the composition of the mixture is not uniform.

9. Usually chemical reactions take place in.

10. A small particle that is the building block of matter

11. Ozone is found in its highest concentration at a height of _____ kilometers.

12. Solubility is the

13. Studying the process of photosynthesis in plants.

14. A compound differs from a mixture in that a compound

15. Atomic masses of atoms range from:

16. Using a lit splint to do the pop test identifies which gas?

17. Since _____ synthetic diamonds have been made industrially.

18. Nitrogen chemically combines with hydrogen to make a new substance. This substance is

19. What is it called when particles in a solid or liquid move slower and closer together?

20. Which kind of pesticide controls weeds?

21. Which is the correct formula for:three hydrogen (H)one sulfur (S)four oxygen (O)

22. What's an atom with an electric charge?

23. What is the symbol of Germanium

24. Magnesium has 12 protons. How many electrons are in the third energy level?

25. Is anything that has mass and takes up volume.