Creative Problem Solving in Chemistry - Five white solids

No comments

Label five white solids correctly by using chemical tests and any suitable apparatus.

Downloads

Five white solids
Handout | PDF, Size 36.9 kb
Using the problems
PDF, Size 30.49 kb

Download all

No comments

Level

Use

Specification

Wales
- A/AS level
  - WJEC Chemistry
    - Unit 1: THE LANGUAGE OF CHEMISTRY, STRUCTURE OF MATTER AND SIMPLE REACTIONS
      - 1.6 The Periodic Table
        (f) reactions of the aqueous cations Mg²⁺, Ca²⁺ and Ba²⁺ with OH⁻, CO₃²⁻ and SO₄²⁻ ions
        (g) characteristic flame colours shown by compounds of Li, Na, K, Ca, Sr and Ba (Mg compounds show no colour)
        (j) trends in solubility of Group 2 hydroxides and sulfates
        (o) reaction between aqueous Ag⁺ and halide ions followed by dilute aqueous NH₃
Northern Ireland
- A/AS level
  - CCEA Chemistry
    - Unit AS 3: Basic Practical Chemistry
      - use chemical tests listed in ‘Qualitative tests’ to identify unknown substances;
    - Unit AS 1: Basic Concepts in Physical and Inorganic Chemistry
      - 1.10 Qualitative tests
        1.10.3a use cation tests, including: flame tests to identify the metal ions Li⁺, Na⁺, K⁺, Ca²⁺, Ba²⁺ and Cu²⁺; and
        1.10.3b adding sodium hydroxide solution and warming to identify ammonium ion.
        1.10.4a use anion tests, including: adding barium chloride solution to identify sulfate ion;
        1.10.4b adding acidified silver nitrate solution to distinguish between chloride, bromide and iodide (followed by adding dilute and concentrated ammonia solution); and
        1.10.4c adding dilute acid to test for carbonate ion and identifying the gas produced; and
- GCSE
  - CCEA Chemistry
    - Unit 1: Structures, Trends, Chemical Reactions, Quantitative Chemistry and Analysis
      - 1.9 Chemical analysis
        1.9.16 write ionic equations for the halide and sulfate ion tests and tests for metal ions using sodium hydroxide solution;
Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 2. Chemical bonding
      - 2.2 Ionic Bonding
        Activities
        Mandatory experiment 2.1 - Tests for anions in aqueous solutions: chloride, carbonate, nitrate, sulfate, phosphate, sulfite, hydrogencarbonate.
    - 9. Environmental chemistry: water
      - 9.1 pH Scale
        Depth of treatment
        pH of weak acids and bases.
        Activities
        Calculation of pH of dilute aqueous solutions of strong acids and bases (calculation of pH of mixtures of strong acids and bases not required).
England
- A/AS level
- GCSE
Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Acids and bases
        Neutralisation reactions
        2H⁺(aq) + CO₃²⁻(aq) → H₂O(l) + CO₂(g) for aqueous metal carbonates
        2H⁺(aq) + CO₃²⁻(s) → H₂O(l) + CO₂(g) for insoluble metal carbonates

CPD
How to teach post-16 transition metals and complex ions

2023-09-07T08:15:00Z By Morag Easson

Everything you need to help your students master transition metal complexes
Resource
Patient prognosis | Problem based practical activities

By Catherine Smith

Dilution, colorimetry and observation skills come together to get students to adapt their chemical knowledge to support medicine.
Resource
Cool drinking | Problem based practical activities

By Catherine Smith

Support students to discover the correct chemical compound to achieve a desired effect on a product, in this case a drinks container.