Tr.SSM IGCSE Learning Hub

🧪 Chemistry Tip 18 | Common Exam Mistake
Do you sometimes confuse an atom, molecule, and ion? 👀
Remember:
🔹 Atom → one particle of an element
🔹 Molecule → two or more atoms chemically bonded
🔹 Ion → a charged particle
⚠️ Exam tip: Always check whether the particle has a charge before calling it an ion!
Small details can make a big difference in your Chemistry exam. 💯📚
Save this tip and keep practising! ✨

Physics Tip 17 📚 | Moments
One small mistake can cost you marks! ⚠️
When calculating a moment, remember to use the perpendicular distance from the pivot — not just any distance.
🧠 Moment = Force × Perpendicular distance
A quick reminder that can help you avoid a common exam mistake!

Accounting Tip 19 | Accrued vs Prepaid Expenses 🧾
One small adjustment can change your final profit! 📊
Make sure you know whether to add or deduct the adjustment — and where it appears in the Statement of Financial Position.
🧠 Accrued → Add → Liability
🧠 Prepaid → Deduct → Asset
Save this tip and avoid a common exam mistake! ✅

🧪 Chemistry Tip 17 | Solubility Rules
Solubility rules are an easy way to avoid losing marks in Chemistry! 💡
Remember the common rules, identify the ions carefully, and use them to decide whether a compound is soluble or insoluble.
📚 Learn the rules → Practise with questions → Avoid careless mistakes!

🧪 Chemistry Tip 16 | Common Exam Mistake
One small mistake can cost you marks! ⚠️
Don’t confuse soluble and insoluble substances in your Chemistry exam.
Make sure you know the common solubility rules and apply them carefully when answering questions. 📚✨
Save this tip and keep practising! 💪

Physics Tip 16 | Contact Force vs Non-contact Force 💡
Do you know the difference between contact and non-contact forces? 🤔
A simple way to remember:
👉 Touching = Contact Force
👉 No touching required = Non-contact Force
Save this tip and make your IGCSE Physics revision easier! 📚✨

📚 Accounting Tip 18 | Common Exam Mistake
Bad Debts vs Allowance for Doubtful Debts
These two adjustments are easy to mix up in an exam! ⚠️
🔹 Bad debt → an amount that is definitely not recoverable.
🔹 Allowance for doubtful debts → an estimate of the amount that may not be recovered.
💡 Remember:
Bad debt = Confirmed loss
Allowance = Estimated possible loss
Stay consistent with your revision and keep building your Accounting confidence! 📖✨

🧪 Chemistry Tip 15 | Common Exam Mistake

Catalysts speed up reactions, but they are not used up in the reaction.

A small detail that can easily cost you marks in an exam! 🎯

📘 Physics Tip 15 — Caption
Small reading mistakes can cost easy marks! 📏
When reading a measuring instrument, always check the smallest division, scale, unit, and reading position carefully.
A few extra seconds of checking can help you avoid unnecessary mistakes in the exam. 💡

📚 **IGCSE EXAM REMINDER #1**

Before you start writing, take a few seconds to read the question carefully.

Understanding the **command word**, checking the **marks available**, and identifying what the question is actually asking can help you avoid losing easy marks.

Remember:

**Read → Understand → Answer** ✅

Small habits can make a big difference in an exam.