Chemistry Quiz 5 (25 MCQs)

Quiz Instructions:

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1. What are the products from the following reactants:C3H8 + O2?

2. The energy stored in the mass of nuclei is

3. The nucleus of a hydrogen atom consists of

4. How many valence electrons does Carbon have?

5. It has at least two different phases of matter

6. When dissolved in water, acids produce _____

7. What is the number of moles in 9.63 L of H2S gas at STP?

8. Coined by Berzelius in 1907, it is any compound whose molecules contain carbon and is covalently bonded to other atoms such as H, N, and O.

9. Solution that can take more solute under special conditions

10. Ductility is the ability of a metal to be _____

11. Which solution is more concentrated? Solution 1:500 mL of water100 g of saltSolution 2:500 mL of water90 g of salt

12. Faraday's Law is associated with

13. What is the formula of Glucose?

14. It is the combination of two or more elements

15. What is the chemical symbol for Sulfur?

16. The second energy orbital of an atom can hold up to _____ electrons.

17. Hardness, temperature, color, size and smoothness are all _____

18. What precipitate forms when you mix lead (II) nitrate with sodium chloride?

19. Represents the atoms of elements and all of its electrons _____

20. What is the chemical symbol for Neon

21. The gas used in the manufacture of vanaspati from vegetable oil is

22. Liquid in which another substance can be dissolved

23. Jay combines water, sugar, and lemon juice to form lemonade. What type of substance was made?

24. What is the mass of 0.2 moles of H2SO4?

25. Which is NOT one of the main branches of chemistry?