This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 24 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Have solute particles big enough to settle at the bottom of the mixture can be alternately filtered to separate particles by filtration A) Suspension. B) Colloid. C) Tyndall effect. D) Solution. Show Answer Correct Answer: A) Suspension. 2. Elements in the same group A) Have nothing to do with each other. B) Increase by 1 atomic number as you move up. C) Decrease by 2 atomic number as you move up. D) Have similar properties and the same number of valence electrons. Show Answer Correct Answer: D) Have similar properties and the same number of valence electrons. 3. Modern Periodic Table me elements ka base kya hai A) Atomic Weight. B) Atomic Number. C) Atomic Structure. D) Nutron. Show Answer Correct Answer: B) Atomic Number. 4. The strongest types of bonds A) Covalent. B) Ionic. C) Hydrogen. D) None of above. Show Answer Correct Answer: A) Covalent. 5. Which have maximum number of isotopes? A) Carbon. B) Bromine. C) Polonium. D) Aluminium. Show Answer Correct Answer: C) Polonium. 6. Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons? A) 3515D. B) 2015D. C) 1515D. D) 1520D. Show Answer Correct Answer: A) 3515D. 7. When an atom loses an electron, it becomes a A) Positive ion. B) Negative ion. C) Neutral ion. D) Neutral atom. Show Answer Correct Answer: A) Positive ion. 8. Which subatomic particle is negative? A) Proton. B) Neutron. C) Electron. D) Negatron. Show Answer Correct Answer: C) Electron. 9. The end or final materials in a chemical reaction is known as ..... A) Reactants. B) Product. C) Quotient. D) Substance. Show Answer Correct Answer: B) Product. 10. What element must be present for a molecule to be considered organic? A) Nitrogen. B) Water. C) Hydrogen. D) Carbon. Show Answer Correct Answer: D) Carbon. 11. When possible, the human body will use macromolecules in what order? A) Lipids, Carbohydrates, Proteins. B) Proteins, Carbohydrates, Lipids. C) Carbohydrates, Lipids, Proteins. D) Carbohydrates, Proteins, Lipids. Show Answer Correct Answer: C) Carbohydrates, Lipids, Proteins. 12. Which of the following is true regarding lipids? A) 2nd energy source. B) Padding & protection. C) Keeps you warm. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. The mass number of an atom is equal to A) The number of protons. B) The number of neutrons. C) The number of nucleons. D) The number of protons and electrons. Show Answer Correct Answer: C) The number of nucleons. 14. Which electron configuration belongs to Chlorine (Cl)? A) 1s2 2s2 2p6 3s2 3p5. B) 1s2 2s2 2p6 3s2 3p7. C) 1s2 2s2 2p6 3s2 3p6. D) None of above. Show Answer Correct Answer: A) 1s2 2s2 2p6 3s2 3p5. 15. How would you classify the color of a rose? A) Chemical change. B) Physical property. C) Physical change. D) Chemical property. Show Answer Correct Answer: B) Physical property. 16. Isotopes differ in the number of ..... A) Protons. B) Neutrons. C) Electrons. D) None of above. Show Answer Correct Answer: B) Neutrons. 17. A solution that has a pH of 7 is A) Positive. B) Neutral. C) Acid. D) Base. Show Answer Correct Answer: B) Neutral. 18. One mole of sulfur (S) is equal to home many atoms? A) 32 atoms. B) 16 atoms. C) 1.20 x 1023 atoms. D) 6.022 x 1023 atoms. Show Answer Correct Answer: D) 6.022 x 1023 atoms. 19. Increasing the temperature gives particles more ..... A) Time. B) Energy. C) Space. D) Frequency. Show Answer Correct Answer: B) Energy. 20. Oil of vitriol is A) Nitric acid. B) Sulphuric acid. C) Phosphoric acid. D) Hydrochloric acid. Show Answer Correct Answer: B) Sulphuric acid. ← 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