This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 42 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The chemical formulafor table salt is NaCl. Which of thefollowing explains what that means? A) Table salt iscreated when the compound NaCl is separated in a chemical reaction. B) Tablesalt is a chemical compound containing the elements Na (sodium) and Cl(chlorine). C) Table salt willhave a chemical reaction when it is mixed with elements Na (sodium) or Cl(chlorine). D) Table salt is thesame as the salt found nature, except it does not contain the elements Na(sodium) or Cl (chlorine). Show Answer Correct Answer: B) Tablesalt is a chemical compound containing the elements Na (sodium) and Cl(chlorine). 2. Combination of two or more substances that are not chemically combined. A) Mixture. B) Solution. C) Solvent. D) Solute. Show Answer Correct Answer: A) Mixture. 3. It is one of the frontiers that the chemists are currently exploring in relation to the upgrade and advancement of different items that profoundly improved the quality of our lives. A) Health and Medicine. B) Food and Agriculture. C) Materials and Technology. D) Energy and Environment. Show Answer Correct Answer: C) Materials and Technology. 4. How many meters are in 680 nm A) 0.000000680. B) 0.000680. C) 680, 000, 000, 000. D) 680, 000. Show Answer Correct Answer: A) 0.000000680. 5. What's an atom with an electric charge? A) Electromagnetic force. B) Electron. C) Ion. D) Neutron. Show Answer Correct Answer: C) Ion. 6. Group of elements whose ending e-configuration is p2. 4 electrons in outer shell. Made up of a nonmetal, metalloids and metals. A) Boron group. B) Nitrogen group. C) Carbon group. D) Oxygen group. Show Answer Correct Answer: C) Carbon group. 7. Carbon containing compounds such as $ CO_2^{ }$ & $ bicarbonates$ are studied in ..... A) Organic Chemistry. B) Inorganic Chemsitry. C) Analytical Chemistry. D) None of above. Show Answer Correct Answer: A) Organic Chemistry. 8. Which property of water is important to the survival of aquatic organisms during the winter months? A) Cohesion. B) Adhesion. C) Water is less dense when frozen. D) Capillary action and surface tension. Show Answer Correct Answer: C) Water is less dense when frozen. 9. The symbol and valency of ammonium is A) NH4, valency is 1. B) NH3, valency is 1. C) NH3, valency is 2. D) None of above. Show Answer Correct Answer: A) NH4, valency is 1. 10. The life cycle of a product refers to ..... A) The amount of time the product is expected to last. B) The stages from when the product is made until it is disposed of. C) The guarantee that the manufacturer provides. D) How the product is used in its life. Show Answer Correct Answer: B) The stages from when the product is made until it is disposed of. 11. No sides are equal and all have equal angles (90$^ \circ$) A) Cubic. B) Tetragonal. C) Orthorhombic. D) None of above. Show Answer Correct Answer: C) Orthorhombic. 12. What do we call the rows of the Periodic Table A) Horizontals. B) Elemental rows. C) Periods. D) Halogens. Show Answer Correct Answer: C) Periods. 13. Studies chemicals, matter and its properties, and atoms in order to understand how elements join together to form different substances. A) Scientist. B) Chemist. C) Einstein. D) Chemical Engineer. Show Answer Correct Answer: B) Chemist. 14. Those are an example of synthetic rubber, except A) Gloves. B) Rubber Band. C) Tires. D) Paper. Show Answer Correct Answer: D) Paper. 15. Branch of chemistry that is concerned with the art and science of determining what matter is and how much of it exists. A) Physical Chemistry. B) Organic Chemistry. C) Analytical Chemistry. D) Inorganic Chemistry. Show Answer Correct Answer: C) Analytical Chemistry. 16. Form of matter that has an indefinite shape, flows, and yet has a fixed volume. A) Solid. B) Liquid. C) Gas. D) Vapor. Show Answer Correct Answer: B) Liquid. 17. Substance that consists of one type of atom. It is a pure substance. Found on the Periodic Table. A) Element. B) Compound. C) Mixture. D) I don't know. Show Answer Correct Answer: A) Element. 18. How is a solid defined? A) Indefinite shape and indefinite volume. B) Definite shape and definite volume. C) Found in the stars. D) Definite volume, indefinite shape. Show Answer Correct Answer: B) Definite shape and definite volume. 19. All of the following are characteristics of all living things EXCEPT A) Respond to stimulus. B) Grow and develop. C) Maintain homeostasis. D) Movement. Show Answer Correct Answer: D) Movement. 20. In baking soda (NaHCO3) the three represents a ..... A) Exponent. B) Subscript. C) Element. D) Compound. Show Answer Correct Answer: B) Subscript. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books