Chemistry Quiz 27 (25 MCQs)

Quiz Instructions:

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1. A solution containing solute that is more than what the given solvent can dissolve

2. Due to rusting the weight of iron

3. It describes the distribution of electrons.

4. It exist between all atoms and molecules.

5. What are the two main types of chemical bonds?

6. Solutions and alloys are kinds of

7. What is the molar mass of (NH4)2CO3?

8. Which is heavier, a proton or an electron?

9. Which of the following is NOT an intermolecular force?

10. Conduction band electrons have more mobility than holes because they are

11. It is a negatively charged ion. Non-metals typically form them by gaining electrons.a) Anions b) cations c) cathode d anode

12. A homogeneous mixture or one phase

13. What is the mass of 2.50 mol of oxygen gas (O2)?

14. The difference between atoms and ions can be summarized by the following

15. Solid turning directly into a gas.a) Evaporation b) solidification c) sublimation d) condensation

16. Bonds where there is unequal sharing of electrons are called

17. According to Bohr's theory, an electron's path around the nucleus defines its

18. CnH2n is the general formula for _____ series .i. Alkaneii. Alkeneiii. Cyclic alkaneiv. Cyclic alkene

19. Basic unit of elements

20. Which of these would be a positive ion?

21. Which metal was first use by man?

22. What is a valence?

23. Which of the following is a example of extensive property?

24. How do you neutralize a strong acid?

25. Mole of copper (Cu) is equal to how many atoms?