
Appropriate equipment for measuring the rate of a reaction
Quiz by Oak National Academy: GCSE Chemistry OCR Foundation
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6 questions
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- Q1Which equipment is suitable for measuring the percentage of light transmitted through a reaction producing a precipitate?gas syringeupturned measuring cylinderstopwatchthermometerlight sensor30s
- Q2When is an upturned measuring cylinder suitable for measuring gas volumes in a reaction?when the gas produced has a colourwhen the reaction produces large volumes of gas at a slow ratewhen the gas needs to be collected over waterwhen the reaction produces small volumes of gas rapidly30s
- Q3What should be considered when selecting the size of measuring equipment for gas volumes?it should be close to the expected volume of gas producedit should be larger than expected to avoid overflowit should be smaller than expected to save spaceit should be adjustable to accommodate different reactions30s
- Q4Why are gas syringes considered ideal for measuring small volumes of gas with high precision?they have small graduations and are designed to prevent gas escapingthey are less expensive than other equipmentthey are transparent and easy to readthey can measure gases at high temperature30s
- Q5If a reaction in an open system produces a gas, what can be measured to determine the rate of reaction?the increase in volume of the reaction mixturethe temperature change of the reaction mixturethe color change of the reaction mixturethe decrease in mass of the reaction mixture over time30s
- Q6In a reaction that produces a gas, what happens to the volume of gas produced per second as the reaction progresses?it increases continuouslyit decreasesit increases and then remains constantit remains constant30s