Question 1
Which ion-electron equation shows a sulfur atom forming a sulfide ion?
National 5 Chemistry practice questions by section
Original questions for every section, with worked answers on the multiple choice and calculations, and feedback on your written answers.
| Multiple choice | Section 1 style, worked or timed |
|---|---|
| Section 2 questions | Calculations, choices and written parts |
| Experiment questions | Methods, results and improvements |
| Written answers | Read against the mark points, with your next step |
How the practice works
Multiple-choice questions show the working after each answer. In Section 2 questions a calculation is checked on its value and its significant figures, and Mia reads each written answer against its mark points and says what it covers and what to add next. She never shows a mark or writes the answer for you.
Try 4 questions
Question 2
What is the percentage by mass of nitrogen in ammonium nitrate, NH₄NO₃? (Relative atomic masses: H 1.0, N 14.0, O 16.0)
Question 3
What is the systematic name of CH₃CH(CH₃)CH₂CH₂CH₃?
Question 4
In any chemical reaction, what is reduction?
Next step
Questions people ask
Are these past paper questions?
No. Every question here is original, written for the current course specification.
Does this course practise the assignment?
No. The assignment is done in school; this course prepares you for the question paper.