This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 44 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which formula is correct to calculate the $ No.\ of\ moles$? A) $ No.\ of\ moles=\frac{mass\ in\ grams}{molar\ mass}$. B) $ No.\ of\ moles=\frac{molar\ mass}{mass\ in\ grams}$. C) $ No.\ of\ moles=\frac{mass\ in\ kg}{molar\ mass}$. D) None of above. Show Answer Correct Answer: A) $ No.\ of\ moles=\frac{mass\ in\ grams}{molar\ mass}$. 2. All of the following are general characteristics of a substance in the liquid state except A) Definite volume. B) Able to flow. C) Not easily compressed. D) Definite shape. Show Answer Correct Answer: D) Definite shape. 3. The metal ion which is NOT coloured is-: A) Iron (III) ion. B) Sodium ion. C) Copper (II) ion. D) Cobalt (II) ion. Show Answer Correct Answer: B) Sodium ion. 4. An atom that has a positive or negative charge. A) Ion. B) Cathode. C) Anode. D) Electrode. Show Answer Correct Answer: A) Ion. 5. Particles (molecules) in a ..... have more energy than the other states of matter. A) Gas. B) Solid. C) Liquid. D) None of above. Show Answer Correct Answer: A) Gas. 6. What type of bond is formed between atoms of different charges? A) Covalent. B) Ionic. C) Hydrogen. D) Peptide. Show Answer Correct Answer: B) Ionic. 7. This quiz is A) Very easy. B) Easy. C) I dont know. D) Simple. Show Answer Correct Answer: D) Simple. 8. A chemist mixes 19 grams of copper with 102grams of silver nitrate. The total mass of the products is expected to be 121grams. Which of the following would best explain these results? A) Lawof Definite Proportions. B) Lawof Multiple Proportions. C) Lawof Conservation of Matter. D) Lawof Conservation of Energy. Show Answer Correct Answer: C) Lawof Conservation of Matter. 9. A mixture that contains a solvent and at least ine solute is called a A) Mixture. B) Solute. C) Solution. D) Solvent. Show Answer Correct Answer: C) Solution. 10. What gives water many properties that are important to living things? A) Temperature. B) Hydrogen bonds. C) Density. D) Specific heat. Show Answer Correct Answer: B) Hydrogen bonds. 11. A chemical property that refers whether a compound will burn when exposed to flame. A) Reactivity. B) Flammability. C) Toxicity. D) Chemical Stability. Show Answer Correct Answer: B) Flammability. 12. Which is a metalloid A) H. B) Li. C) Si. D) Zr. Show Answer Correct Answer: C) Si. 13. An atom has 13 protons, 15 neutrons and ..... electrons what is its mass number? A) 13. B) 26. C) 28. D) 15. Show Answer Correct Answer: C) 28. 14. An octet is equal to A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: D) 8. 15. Studying the refining process of metallic ores (rocks). A) Physical Chemistry. B) Inorganic Chemistry. C) Analytical Chemistry. D) Biochemistry. Show Answer Correct Answer: B) Inorganic Chemistry. 16. What type of chemical reaction is this one? Al(OH)3 $\rightarrow$ Al2O3 + H2O A) Decomposition. B) Combustion. C) Synthesis. D) Single Replacement. Show Answer Correct Answer: A) Decomposition. 17. An ..... cannot be broken down into any other substance. A) Atom. B) Ion. C) Compound. D) Mixture. Show Answer Correct Answer: A) Atom. 18. No sides are equal and only two angles are equal to 90$^ \circ$ A) Monoclinic. B) Triclinic. C) Rhombohedral. D) None of above. Show Answer Correct Answer: A) Monoclinic. 19. Which is a homogeneous mixture? A) Pizza. B) Kool-aid. C) Soil. D) Tossed salad. Show Answer Correct Answer: B) Kool-aid. 20. An intensive property that refers to the perception of the different wavelengths of light. A) Size. B) Color. C) Luster. D) Mass. Show Answer Correct Answer: B) Color. ← 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