About this Quiz

This Water or Hydride of Oxygen Class 8 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

Water or Hydride of Oxygen Class 8 MCQ With Answers

1. How many Oxygen atoms are in H2O?

  • 1
  • 2
  • 0
  • 4

2. Carbon monoxide

  • CO
  • CO2
  • C2O
  • COH

3. When metals bond with non-metals they form what type of bonds

  • covalent
  • ionic
  • cooperative
  • lewis

4. What would be the proper chemical formula for combining Al3+ and Cl- :

  • AlCl3
  • Al3Cl
  • AlCl
  • Al3Cl3

5. What is the name for the compound CaCO3?

  • Calcium carbon oxide
  • Calcium (II) carbonate
  • Calcium carbonate
  • Carbon carbonate

6. Name the following ionic compound: MgSO4

  • magnesium sulfoxide
  • magnesium sulfide
  • magnesium sulfate
  • magnesium oxide

7. What is the name of the compound LiOH?

  • lithium hydrogen oxide
  • lithium hydroxide
  • lithium hydride
  • lithium oxide hydride

8. Which of these compounds is ionic?

  • Carbon dioxide
  • Dinitrogen Trioxide
  • Silicon tetrachloride
  • Lithium bromide

9. What is the formula for copper(I) sulfate?

  • CuSO3
  • CuSO4
  • Cu2SO3
  • Cu2SO4

10. What is the name of the compound with the formula Ba3P2?

  • barium phosphide
  • barium diphosphide
  • tribarium diphosphide
  • barium phosphorous

11. What is the name for SiCl4?

  • silicon tetrachloride
  • silicon quadchloride
  • monosilicon tetrachloride
  • silicon chloride

12. What is the chemical formula for an ionic compound of potassium and oxygen?

  • KO
  • K2O
  • K2O2
  • KO2

13. Which is true of covalent compounds?

  • They share electrons
  • They are good conductors
  • They are electrically charged
  • They are made of a metal and nonmetal

14. What is the name of Pā‚„Sā‚ā‚€?

  • phosphorous sulfide
  • phosphorus sulfite
  • tetraphosphorus decasulfide
  • tetraphosphide decasulfide

15. Which elements are found on the right side of The Periodic Table?

  • Metals
  • Nonmetals
  • Metalloids
  • Water

16. What is the OFFICIAL name for H2O

  • Hydrogen Oxide
  • Oxygen Dinitride
  • Agua
  • Dihydrogen Monoxide

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