General Chemistry 1-First Periodical Examination-Q1
Quiz by Evangeline D. Tala
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Measure skills
from any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
With a free account, teachers can
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
50 questions
Show answers
- Q1Antoine Lavoisier, the French scientist credited with first stating the law of conservation of matter, heated a mixture of tin and air in a sealed flask to produce tin oxide. What happened to the mass of the sealed flask and contents after the heating? I. The mass increased II. The mass decreased III. The mass remained the sameIII & IIIIIII40s
- Q2All of the following are physical properties of table sugar (sucrose) EXCEPT ____.breaks down into carbon and water vapor when heatedforms solid crystals at room temperaturetastes sweetappears as crystals white in color35s
- Q3Which is the most suitable separation method can be used to separate a mixture of different colored ink?distillationfiltrationchromatographyevaporation35s
- Q4Which process is a chemical change?slicing into two piecesdissolving in alcoholheating to boilingburning in air35s
- Q5What type of chemical formula is illustrated?condensed formulamolecular formulaempirical formulastructural formula35s
- Q6Which of the following is the correct order of getting salt from the mixture of sand and salt?Filtration – evaporation – dissolving in waterEvaporation-filtration – dissolving in waterFiltration-dissolving in water – evaporationDissolving in water – filtration-evaporation35s
- Q7Which of the following property could NOT be used to distinguish table salt and table sugar?boiling pointcolorMelting pointdensity35s
- Q8Which of the following describes how decantation is applied BEST?Solid-liquid or liquid-liquid heterogeneous mixturesSolid-liquid homogeneous mixturesLiquid-liquid homogeneous mixturesSolid-solid heterogeneous mixtures40s
- Q9Which group has a member that does not belong?Mg, Ca, Li, SrC, Ne, O, NN³⁻, H⁻, I⁻, O²⁻F, Cl, Br, I45s
- Q10Isotopes of a given element containSame number of neutrons and protonsSame number of neutrons but different number of protonsSame number of protons but a different number of electronsSame number of protons but a different number of neutrons35s
- Q11Which of the following is the CORRECT formula of copper (II) nitrate?Cu(NO₃)₂Cu₂NO₃Cu₂(NO₃)₂CuNO₃50s
- Q12Which of the following is NOT an isotope of Hydrogen?TritiumDeuteriumProtiumProterium30s
- Q13Which of the following formula refers to the symbols of the atoms that make up the molecules?Chemical FormulaMolecular FormulaEmpirical FormulaFormula Mass35s
- Q14Which of the following is the chemical name of NH₄⁺ ?AmmoniaAmmoniumNitrogen tetrahydrideNitrogen (IV) hydride35s
- Q15Which of the following compounds is ionic?KClHFCO₂CO40s
