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This quiz contains 5 questions from a mix of 1 subtopics.
What is the purpose of the bung and delivery tube in Method 1?
to measure the temperature of the reaction
to prevent the escape of hydrogen gas
to collect the hydrogen gas
to measure the volume of hydrogen gas
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What is the purpose of the black paper cross in Method 2?
to provide a reference point for visibility
to measure the temperature of the reaction
to measure the volume of sodium thiosulfate
to collect the sodium thiosulfate
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What is the dependent variable in the investigation?
rate of reaction
volume of hydrogen gas produced
temperature of the reaction
concentration of the hydrochloric acid
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What is the independent variable in the investigation?
volume of hydrogen gas produced
concentration of the hydrochloric acid
rate of reaction
temperature of the reaction
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What is the control variable in the investigation?
temperature of the reaction
concentration of the hydrochloric acid
volume of hydrogen gas produced
rate of reaction
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