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Most asked questions

09/07/2026

20 Jan 2025

What is the Average Cost of a Chemistry Tutor in Singapore?

On average, a chemistry tutor in Singapore charges between $40 to $120 per hour. However, prices vary depending on several factors. If your child is preparing for major exams, such as O Levels or A Levels, understanding the cost range can help you make an informed decision while ensuring your child receives quality support.

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Most asked questions

09/07/2026

15 Sep 2023

How does resonance stability work in organic compounds?

Resonance stability in organic compounds refers to the stabilization that arises from the delocalization of electrons within a molecular system. It occurs in compounds with conjugated systems, where pi electrons...

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Most asked questions

29/07/2024

24 Nov 2019

Nomenclature of anions

Nomenclature of anions One of the common questions that pops up from time to time is how do i write the formula of sodium nitrite? And what's the difference between sodium...

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Most asked questions

09/07/2026

21 Apr 2019

How to solve Organic Synthesis Question

Organic Synthesis Question In any synthesis questions, we first need to note the number of carbon atoms, is there an increase or decrease in the carbon chain? In the above question, yes...

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Most asked questions

29/07/2024

12 Dec 2017

Tuition and Chemistry Crash Course

Frequently asked questions Q: When is it too late to go for chemistry tuition? A: There's no deadline that says it's too late to go for tuition. However, a good gauge would...

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Life As An Ex-Teacher, Most asked questions

09/07/2026

15 Nov 2017

Qualities of a good tuition teacher

Qualities of a good tuition teacher: Talks in a way you understand and at a pace you can keep up with Points out common mistakes during lessons Knows the current...

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Most asked questions

09/07/2026

14 Jul 2017

What does the units “mol/dm3” refer to in standard enthalpy change of reaction?

Enthalpy Change of Reaction Some of you may be thinking the enthalpy change of reaction just a general definition for any reaction but the units actually don't refer to any specific...

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Most asked questions

09/07/2026

11 Jul 2017

Strength of Hydrogen Bond

Strength of Hydrogen Bond Qn: Which of these compounds has the strongest hydrogen bond, HF, H2O or NH3? How do we estimate the strength of hydrogen bond? Ans: HF. Due to the...

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Most asked questions

09/07/2026

08 Jul 2017

Common mistake in drawing hydrogen bond

Common mistakes in drawing hydrogen bond One of the most common mistakes is to write the dipole across the hydrogen bond, e.g. A dipole exists as a pair, partial positive and partial negative....

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Most asked questions

09/07/2026

02 Jul 2017

Why do we need to acidify after heating with NaOH(aq) in test for halides?

The test for halides involves a series of chemical steps that allow us to identify the presence of halide ions like chloride, bromide, or iodide. One crucial step in this...

Most asked questions

What is the Average Cost of a Chemistry Tutor in Singapore?

How does resonance stability work in organic compounds?

Nomenclature of anions

How to solve Organic Synthesis Question

Tuition and Chemistry Crash Course

Qualities of a good tuition teacher

What does the units “mol/dm3” refer to in standard enthalpy change of reaction?

Strength of Hydrogen Bond

Common mistake in drawing hydrogen bond

Why do we need to acidify after heating with NaOH(aq) in test for halides?

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