Science 24 Chapter 1/2 Review
Quiz by Arianna Ruppert
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12 questions
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- Q1Chemicals present before a chemical reaction beginsEndothermicProductsReactantsCombustion30s
- Q2A fuel is burned in the presence of oxygenCombustionEndothermic ReactionNeutralizationProducts30s
- Q3The products of a combustion reactionsfuel, and oxygenoxygen, water, and heatcarbon dioxide, water, and heatcarbon dioxide, and oxygen30s
- Q4When energy is required for a chemical reaction to occurEndothermicExothermicPrecipitationReactant30s
- Q5A solid that forms in a chemical reactionGasPrecipitateReactantCrystallization30s
- Q6Chemicals present at the end of a chemical reactionPrecipitateReactantsCombustionProducts30s
- Q7Bubbles are produced, light is emitted, colour change, and/or energy is released or absorbedProductsCombustionEvidence of chemical reactionsNeutralization30s
- Q8An acid and a base react to make a neutral compound and waterPorductsExothermicCombustionNeutralization30s
- Q9You tested a gas produced in a chemical reaction using a burning splint and heard a popping sound. The gas isHydrogenCarbon DioxideOxygenWater30s
- Q10These are used by farmers to kill unwanted plantsSyntheticsPesticidesHerbicidesInsecticides30s
- Q11The following are examples of synthetic polymers EXCEPT forNeoprene - wet suitsSilk from caterpillars - fabricPolystyrene - Styrofoam cupsPolyethylene - milk jugs30s
- Q12This is an example of a synthetic fibrePolyesterFlaxCottonWool30s