Monthly Archives: April 2016

Chemistry Tuition Singapore O Level Chemistry Tuition- Salts Common Misconception   Misconception 1 On adding ammonia solution to aqueous copper(II) sulfate, a soluble blue precipitate is formed. (Comment: The error is the phrase “soluble precipitate”.) Correct Conception 1 On adding ammonia solution to aqueous copper(II) sulfate, a light blue precipitate is formed. The precipitate dissolves… Continue reading →

Tuition Singapore Primary English Tuition Singapore- Vocabulary   Marie could not concentrate on her studies as her brothers were creating a __________in the next room. blast patter ruckus symphony   Answer (3)   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary English Tuition Singapore English Tuition  

Tuition Singapore Primary Maths Tuition Singapore – Numbers   Express 4 hundreds, 5 ones and 19 thousandths as a decimal. 45.019 45.19 405.019 450.19 Ans (3)   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary Math Tuition Singapore Mathematics Tuition

Tuition Singapore Primary Science Tuition – Life Cycles of Fully Growth Plant     Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary Science Tuition Singapore Science Tuition

English Tuition Singapore Secondary English Tuition – Describe some of the public toilets you have frequented   Suggested Approaches Describe some of the public toilets which you have seen. What are some of the best toilets and why are they good? What are some of the worst toilets and why are they bad? What does… Continue reading →

Math Tuition Singapore Secondary Math Tuition – Number Sequences and Problem Solving     Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Secondary Math Tuition Singapore Mathematics Tuition

Biology Tuition Singapore Secondary Science Tuition – Transport of Living Things – Diffusion   MOVEMENT OF SUBSTANCES   Diffusion Diffusion is the movement of any substance from its region of higher concentration to its region of lower concentration. It is a passive transport as energy is not required for the movement of the substance.  … Continue reading →

Physics Tuition Singapore Secondary Science Tuition – Electricity Chemical Effect   Chemical effect A chemical change caused by electricity is called electrolysis An electrolyte is a liquid or a solution which can conduct electricity. The electrolyte undergoes chemical change when electricity passes through it. Electrodes are electrical contacts which allows electric current to leave and… Continue reading →

Chemistry Tuition Singapore Secondary Science Tuition – Acids and Bases   ACIDS The common acids found in the laboratory or in fruits/foods are as follows Strong Acids – Hydrochloric acid– Sulfuric acid-Nitric acid Weak Acids – Citric acid (in citrus fruits such as oranges and lemons)-Ethanoic acid (in vinegar)-Malic acid (in apples)   Properties of acids All acids,… Continue reading →