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Chemistry Quiz 12 (25 MCQs)

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1. Glucose + oxygen $\rightarrow$ water + energy + carbon dioxide is an example of
2. What is the chemical symbol for mercury?
3. What state if matter has the highest energy?
4. Which lab tool might you use to measure the volume of a liquid?
5. Which are the following are used to make detergents? i. petroleumii. fats or oils.iii. sodium hydroxideiv. glycerol
6. What is solubility of alkane, alkene and alkyne?
7. Ordinary _____ is made by adding sand, sand ash (sodium oxide) and limestone (Calcium oxide).
8. Danny is sitting atthe table and says, "Please pass the C6H12O6" . His father, a chemist, smiles and hands Dannywhat?
9. What is the volume of distilled water added to 50.0 cm3 of 1.0 mol dm-3 ethanoic acid in order to dilute it to 0.2 mol dm-3 ethanoic acid?
10. Which is used in closed spacies to kill bacteria and other micro-organisms?
11. What charge does the nucleus have and why?
12. Process from liquid to solid.
13. Most suitable element and most widely accepted standard unit for the measurement of atomic mass
14. Using combustion reaction of hydrocarbon, empirical formula of hydrocarbon is found as CH2O . If the molar mass of hydrocarbon is 180g/mol what is the molecular formula of the hydrocarbon? (C:12g/mol, H:1g/mol, O:16g/mol)
15. Cm3 of 1.0 mol dm-3 hydrochloric acid is neutralized by 25cm3 of barium hydroxide solution. What is the molarity of barium hydroxide?
16. An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
17. Pb + FeSO4 $\rightarrow$ PbSO4 + Fe
18. When atoms bond to form molecules, they share _____
19. What are the 3 fields of study?
20. The compound baking soda has a chemical formula of NaHCO3. How many elements are in one molecule of baking soda?
21. Julian was trying to explain to his friend, Susan, that only one of the following is an example of a chemical change. Which one?
22. A chemistry teacher explores the different uses of Nylon in for the production o textiles. What type of research is used?
23. What is the Symbol of Galium
24. Turning a gas to a liquid is called _____
25. The central region of an atom where its neutrons and protons are is its
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