Transcription of GRADE 12 PHYSICAL SCIENCES LEARNER NOTES - Mail & …
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The SSIP is supported by SENIOR SECONDARY IMPROVEMENT PROGRAMME 2013 GRADE 12 PHYSICAL SCIENCES LEARNER NOTES 1 TABLE OF CONTENTS LEARNER NOTES SESSION TOPIC PAGE 16 Consolidation exercises rates, chemical equilibrium and electrochemistry 3 - 11 17 Chemical change and chemical systems extraction of aluminium and Chloralkali industry, 12 - 32 18 1. Electrostatics - GRADE 11 revision2. Electricity GRADE 11 revision33 - 42 19 Electrodynamics motors and generators and alternating current. 43 - 55 2 GAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME PHYSICAL SCIENCES GRADE 12 SESSION 16 ( LEARNER NOTES ) SESSION 16 TOPIC: CONSOLIDATION EXERCISES ON RATES, CHEMICAL EQUILIBRIUM AND ELECTROCHEMISTRY QUESTION 1: 20 minutes In order to investigate the rate at which a reaction proceeds, a LEARNER places a beaker containing concentrated nitric acid on a sensitive balance.
B volume of the gases increase . C amount of SO. 2. decreases . D amount of O. 2. remains the same. 2.7. The following equilibrium exists in a saturated salt solution. NaCl (s) Na + (aq) + Cl -(aq) What can be done in order to obtain a precipitate of NaCl ? A Increase the pressure on the system . B Heat the solution
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