Teaching and Learning with VB

C2.6:

Chemical reactivity,

AS 91166

work space

Blank work sheets can be accessed to practice and consolidate learning
To check your work there are completed work sheets, with sample answers
In preparation for exams exams past exam questions can be accessed for practice
To check your work there are sample answers for the exam questions

Make copies of any blank worksheets and exam questions.

work sheets

A set of questions on conjugate pairs with answers1. What is the relationship between an acid and its conjugate base? 2. What is the conjugate pair for HCl? Is this conjugate a weak or strong conjugate acid or base? 3. HSO₄⁻ can act as acid or a base. What is term for this? When it acts as an acid what is its conjugate base? When it act...

Acids and bases calculations with answers1) What is the pH and pOH of a 2.23 x 10-3 HBr solution? 2) What is the pH and pOH of a 3.14 x 10-5 NaOH solution? 3) What is the pH and pOH of a solution made by adding water to 20 grams of hydroiodic acid until the volume of the solution is 2500 mL? 4) What is the pH and pOH of a solution...

A set ot practice questions on acids and bases with answers1. Explain why a solution of ethanoic acid is acidic. Use an equation to illustrate your answer 2. The salt ammonium chloride (NH₄Cl) produces an acidic solution. Explain why this is, using appropriate equations. 3. The following table shows the concentration and pH of 3 acids, along with re...

quizzes / diagnostics

lab work practicals

Lab session: Equilibrium

Strong acids practical

Practical - strong and weak acids

Acids and bases in solution practical

L2 Chemistry Acids and Bases practical #1

ncea exams

AS91166: Chemical reactivity: Collated exam questions

AS91166: Chemical reactivity: Collated exam questions sample answers

revision aides / handouts

Sample answer: Rates of reaction.

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