This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 54 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 54 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Finding out how much nitrogen is in a sample of air A) Organic. B) Inorganic. C) Analytical. D) Physical. Show Answer Correct Answer: C) Analytical. 2. Which kind of pesticide controls weeds? A) Fungicide. B) Herbicide. C) Fungicide. D) Rodenticide. Show Answer Correct Answer: B) Herbicide. 3. Formed when 2 or more different elements are joined together chemically A) Element. B) Mixture. C) Compound. D) Mass. Show Answer Correct Answer: C) Compound. 4. An ice cube is put into a heated pan. What will most likely happen to the molecules in the ice as the ice is heated A) The molecules will begin to move slower. B) The molecules will begin to move faster. C) The molecules will begin to increase in density. D) The molecules will begin to condense in the air. Show Answer Correct Answer: B) The molecules will begin to move faster. 5. Zane is making a chart of compounds that are found in the human body. What is the most common compound found in the human body? A) H2O. B) CO2. C) Sodium Bicarbonate (baking soda). D) NaCl (table Salt). Show Answer Correct Answer: A) H2O. 6. Unstable nuclei that emit rays or particles to become stable are said to? ? ? A) Radioactive. B) React. C) Isotopes. D) Decay. Show Answer Correct Answer: D) Decay. 7. What is the chemical formula for Nitrogen Trioxide? A) N3O. B) (NO)3. C) NO3. D) N3O3. Show Answer Correct Answer: C) NO3. 8. Wax is an example of a ..... A) Lipid. B) Carbohydrate. C) Nucleic acid. D) Protein. Show Answer Correct Answer: A) Lipid. 9. The only sure evidence for a chemical reaction is: A) The formation of a gas. B) The production of one or more new substances. C) A color change. D) Changes in properties. Show Answer Correct Answer: B) The production of one or more new substances. 10. What is the charge of Mg? A) +1. B) 3. C) -2. D) 2. Show Answer Correct Answer: D) 2. 11. What is the simplest form of matter that retains an elements chemical identity? A) Neutron. B) Atom. C) Electron. D) Quarks. Show Answer Correct Answer: B) Atom. 12. Phase change from a solid to a gas. A) Sublimation. B) Deposition. C) Condensation. D) Evaporation. Show Answer Correct Answer: A) Sublimation. 13. The branch of chemistry that would study and develop new materials that in general do not contain carbon is ..... A) Organic Chemistry. B) Inorganic Chemistry. C) Biochemistry. D) None of above. Show Answer Correct Answer: B) Inorganic Chemistry. 14. How many atoms are present in 6.0 g of carbon? A) 7.04 x 1026 atoms. B) 6.02 x 1024 atoms. C) 3.01 x 1023 atoms. D) 1.55 x 1023 atoms. Show Answer Correct Answer: C) 3.01 x 1023 atoms. 15. What made this periodic table so different to others A) It had less elements. B) It had more elements. C) He left gaps in the table for undiscovered elements. D) It was simple. Show Answer Correct Answer: C) He left gaps in the table for undiscovered elements. 16. Tend to be brittle and shatter when hit with a hammer, poor conductors of heat and electricity, and low luster. A) Metals. B) Metalloids. C) Nonmetals. D) All of the above. Show Answer Correct Answer: C) Nonmetals. 17. What are Extensive Properties? A) A property that depends on the type of matter in a sample, not the amount of matter. B) Characteristics that can be observed/measured without changing the identity of the substance. C) A property that depends on the amount of matter in a sample. D) Changes that do not affect the identity of the substance. Show Answer Correct Answer: C) A property that depends on the amount of matter in a sample. 18. A compound can be physically separated into its elements. A) Always True. B) Sometimes True. C) Never True. D) None of above. Show Answer Correct Answer: C) Never True. 19. Electrons involved in bonding between atoms are A) Valence electrons. B) Inside the nucleus. C) Closest to the nucleus. D) Positively charged. Show Answer Correct Answer: A) Valence electrons. 20. What is the correct name for the following compound? Li2S A) Dilithium monosulfide. B) Lithium disulfide. C) Sulfuric lithate. D) Lithium sulfide. Show Answer Correct Answer: D) Lithium sulfide. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books