Chemistry Unit 1 Review
Quiz by Helen B Yan
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- Q 1/31Score 0The follow image could represent....29a compounda mixture of elementsa mixture of compoundsan element
31 questions
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- Q1The follow image could represent....a compounda mixture of elementsa mixture of compoundsan element300sEditDelete
- Q2An element contains only one type of ________________________.MixtureCompoundAtom300sEditDelete
- Q3We can use this word to describe anything with a chemical formulaSolidGasLiquidChemical300sEditDelete
- Q4We can use this word to describe any material we use in chemistryCompoundSubstanceMoleculeElement300sEditDelete
- Q5This picture represents.....An elementA compoundA mixture of elementsA mixture of compounds300sEditDelete
- Q6In this picture, each molecule contains....1 atom3 atoms4 atoms2 atoms300sEditDelete
- Q7In this sentence, we could replace the word "substance" with....chemicalelementcompound300sEditDelete
- Q8What is the best word to fill in the blank?particleselementsmaterials300sEditDelete
- Q9In this picture, we would call each group of 2 circles a.....atommoleculeelement300sEditDelete
- Q10In this picture, the black lines between the circles represent....elementsbondsatomsmolecules300sEditDelete
- Q11In this picture, each individual circle represents....a moleculean atoma bond300sEditDelete
- Q12What is the best word to fill in the blank?materialsparticleselements300sEditDelete
- Q13The following image could represent....a mixture of elementsa compounda mixture of compoundsan element300sEditDelete
- Q14A mixture where the substance does NOT appear even throughout is...homogeneousheterogeneouscompoundpure300sEditDelete
- Q15What type of matter is baking soda: NaHCO3 ?compoundheterogeneous mixtureelementhomogeneous mixture300sEditDelete
- Q16What type of matter is pure water (H2O) ?pure substancehomogeneous mixtureheterogeneous mixtureelement300sEditDelete
- Q17In distillation, substances can be separated because....they are different sizesthey boil at different temperaturessome are magnetic and some are not300sEditDelete
- Q18In filtration, we separate substances based on the fact that.....some dissolve in water and some do notthey are different sizesthey boil at different temperatures300sEditDelete
- Q19In a distillation apparatus, what happens in the condenser?Water passes through filter paper and solid particles are left behindWater boils and leaves impurities behindPure water vapor is cooled and turns from gas back into a liquid300sEditDelete
- Q20When methane (CH4) is burned, it combines with oxygen (O2) from the air to create carbon dioxide (CO2) and water (H2O). This process is....a chemical reactiona physical change300sEditDelete
