AP Chemistry Experiment 19 Qualitative Determination of Cations and Anions Lab
Revision for Biology IGCSEFull description
This is the instructions for ICT IGCSE examFull description
: Qualitative Analysis for Identification of Metal Cations
psychometric tests and their uses
qualitative analysis for group 1 cations
Experiments conducted to classify, identify and differentiate the different carboxylic acid derivatives.Full description
Full description
For IGCSE
This is the template for IGCSE Lesson plan.
A guide to Using Access 2003 in IGCSE ICT practical examsFull description
This is the formal report format. This may help future researchers in UST-FPH
Test for alkaloids
Full description
eseseseesesse
Descripción: English for Construction
eseseseesesseDescripción completa
Measurement and Units IGCSE physics
IGCSE tests for Cations and Anions! Study online at quizlet.com/_96a03 1.
Aluminium (Al3+)
Effect of aqueous sodium hydroxide White ppt., soluble in excess giving a colourless solution EFFECT OF AQ AMMONIA: White ppt., insoluble in excess
2.
Ammonium (NH4+)
Effect of aqueous sodium hydroxide: Ammonia produced on warming
3.
Calcium (Ca2+)
Effect of aqueous sodium hydroxide: White ppt., insoluble in excess EFFECT OF AQ AMMONIA: No ppt. or very slight white ppt.
4.
Carbonate (CO32-)
Add dilute acid Effervescence, carbon dioxide produced
5.
Chloride (Cl-) (in solution)
Acidify with dilute nitric acid, then add aqueous silver nitrate White ppt.
6.
Copper (Cu2+)
Effect of aqueous sodium hydroxide: Light blue ppt., insoluble in excess EFFECT OF AQ AMMONIA: Light blue ppt., soluble in excess, giving a dark blue solution
7.
Iodide (I-) (in solution)
Acidify with dilute nitric acid, then add aqueous silver nitrate Yellow ppt.
8.
Iron(II) (Fe2+)
Effect of aqueous sodium hydroxide: Green ppt., insoluble in excess EFFECT OF AQ AMMONIA: Green ppt., insoluble in excess
9.
Iron(III) (Fe3+) Red
Effect of aqueous sodium hydroxide: Red-brown ppt., insoluble in excess EFFECT OF AQ AMMONIA: Red-brown ppt., insoluble in excess
10.
Nitrate (NO3-) (in solution)
Add aqueous sodium hydroxide, then aluminium foil; warm carefully Ammonia produced
11.
Sulfate (SO42-)
Acidify, then add aqueous barium nitrate White ppt.
12.
Zinc (Zn2+)
Effect of aqueous sodium hydroxide: White ppt., soluble in excess, giving a colourless solution EFFECT OF AQ AMMONIA: White ppt., soluble in excess, giving a colourless solution
