Subsection 12.1. Experimental design for Chemistry, IGCSE - revisedeck

12.1. Experimental design

A subsection of Chemistry, 0620, through 12. Experimental techniques and chemical analysis

Listing 10 of 97 questions

The diagram shows three pieces of apparatus that are used for measuring the volume of a liquid. What are these pieces of apparatus?

0620_w14_qp_13

MCQ

2014

Paper 1, Variant 3

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P, Q, R and S are pieces of apparatus. P Q R S 50 cm3 50 cm3 25 cm3 100 cm3 Which row describes the correct apparatus for the measurement made?

0620_w15_qp_11

MCQ

2015

Paper 1, Variant 1

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A student was asked to measure the rate of reaction between dilute hydrochloric acid and marble chips at different temperatures. Some of the apparatus used is shown...

0620_w15_qp_13

MCQ

2015

Paper 1, Variant 3

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_11

MCQ

2016

Paper 1, Variant 1

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_12

MCQ

2016

Paper 1, Variant 2

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_13

MCQ

2016

Paper 1, Variant 3

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_21

MCQ

2016

Paper 2, Variant 1

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_22

MCQ

2016

Paper 2, Variant 2

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A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

0620_w16_qp_23

MCQ

2016

Paper 2, Variant 3

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A student put 25.0 cm3 of dilute hydrochloric acid into a conical flask. The student added 2.5 g of solid sodium carbonate and measured the change in temperature of the mixture. Which apparatus does the student need to use to obtain the most accurate results?

0620_w17_qp_11

MCQ

2017

Paper 1, Variant 1

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Questions Discovered

97