ENGLISH QUIZ- CHEMISRTY Leave a Comment / By admin / July 25, 2025 Instructions: Choose the correct answer. Each question focuses on understanding algebra vocabulary and key concepts in English. 1. What is an atom? A) A substance made of different elements B) The smallest unit of an element C) A chemical equation D) A molecule with three charges E) A type of gas None 2. What is a molecule? A) A charged atom B) A small part of a nucleus C) Two or more atoms bonded together D) A single proton E) A particle with no mass None 3. What is an element? A) A mixture of compounds B) A solution with metal C) A pure substance made of one type of atom D) A combination of gases E) A physical state None 4. What is a compound? A) A metal that melts B) A group of gases C) A substance made of two or more elements chemically combined D) A tool for measuring mass E) A kind of acid None 5. What is a mixture? A) A molecule with a neutral charge B) A combination of substances not chemically bonded C) A solution with only water D) An atom with more protons E) A pure chemical None 6. What is a chemical equation used for? A) Drawing the shape of molecules B) Showing a chemical reaction using symbols C) Finding the weight of substances D) Mixing compounds in water E) Calculating speed None 7. What does balanced equation mean? A) The same number of atoms on both sides B) More products than reactants C) No oxygen used D) Water is always added E) The equation equals 100 None 8. What does concentration measure? A) The heat of a reaction B) The amount of space between particles C) The amount of a substance in a certain volume D) The speed of a chemical change E) The strength of color None 9. What is a mole in chemistry? A) A tiny chemical tool B) The pressure of a gas C) A unit used to count atoms or molecules D) A scale of pH E) A drop of acid None 10. What is molar mass? A) The weight of one atom B) The number of molecules per liter C) The mass of one mole of a substance D) The size of a proton E) The volume of a container None 11. What does pH measure? A) The heat in a solution B) The amount of mass C) The speed of molecules D) How acidic or basic a solution is E) The density of a solid None 12. What is a solution in chemistry? A) A method of solving math problems B) A chemical with mass C) A uniform mixture of solute and solvent D) A type of base E) An element that evaporates None 13. What is density? A) Volume multiplied by pressure B) Mass divided by volume C) Energy per atom D) Temperature change E) Time times pressure None 14. What does percentage yield show? A) The speed of a solution B) The time a reaction takes C) How much product is made compared to expected D) The size of each atom E) How hot the reaction gets None 15. What is an empirical formula? A) The full structure of a molecule B) A diagram of chemical bonds C) The simplest whole-number ratio of atoms in a compound D) A way to measure density E) A type of pH chart None Time's upTime is Up!
