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Questions and Answers
What is the difference between the reaction of calcium and strontium with water?
What is the difference between the reaction of calcium and strontium with water?
- Calcium reacts more vigorously but produces less volume of gas.
- Calcium reacts less vigorously but produces more volume of gas.
- Strontium reacts more vigorously but produces less volume of gas. (correct)
- Strontium reacts less vigorously but produces more volume of gas.
What is the purpose of the experiment with 0.200 g of strontium and 250 cm3 water?
What is the purpose of the experiment with 0.200 g of strontium and 250 cm3 water?
- To compare the reaction of strontium with calcium.
- To measure the rate of reaction.
- To determine the reactivity of strontium with water. (correct)
- To calculate the concentration of strontium ions.
What is the resulting solution in the reaction of strontium with water?
What is the resulting solution in the reaction of strontium with water?
- A coloured solution containing strontium ions.
- A solution containing strontium ions and hydrogen gas.
- A solution containing strontium ions and water molecules.
- A colourless solution containing strontium ions. (correct)
What is the volume of gas produced in the reaction of strontium with 250 cm3 water?
What is the volume of gas produced in the reaction of strontium with 250 cm3 water?
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What is the equation for the reaction between strontium and water?
What is the equation for the reaction between strontium and water?
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What is the purpose of calculating the concentration of strontium ions in the solution?
What is the purpose of calculating the concentration of strontium ions in the solution?
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Why does the student plan to use calcium instead of strontium in the experiment?
Why does the student plan to use calcium instead of strontium in the experiment?
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What is the expected difference between the volume of gas produced by calcium and strontium?
What is the expected difference between the volume of gas produced by calcium and strontium?
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What is the general trend in the reactivity of Group 2 metals with water?
What is the general trend in the reactivity of Group 2 metals with water?
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