Physics Tuition Singapore O level Physics Tuition – Temperature Common Misconceeption

Physics Tuition Singapore O level Physics Tuition – Temperature Common Misconception   Misconception 1 Temperature is a vector quantity because it can have negative values similar to velocity Correct Conception 1 Temperature is a scalar quantity and not a vector quantity. A negative value for velocity means its direction is opposite of the defined positive direction. A negative value for temperature means its value is lower than zero   Misconception 2 Ice point is the temperature of ice and steam point is the temperature of steam. Correct Conception 2 Ice can have temperatures lower than 0°C and steam can have temperatures higher than 100°C. Therefore, this definition cannot provide fixed temperatures for calibration. The correct definition of ice point refers to the point ...

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Chemistry Tuition Singapore O Level Chemistry Tuition- Salts Common Misconception

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 in excess ammonia solution.   Misconception 2 All metal ions react with aqueous sodium hydroxide to form precipitates. Correct Conception 2 Metal ions, such as Na+ and KE, do not form precipitates with NaOH(aq).   Misconception 3 To test for Cl– ions, add hydrochloric acid, followed by silver nitrate solution. Correct Conception 3 HC1(aq) should not be used, as Cl– ...

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Tuition Singapore Primary English Tuition Singapore- Vocabulary

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  

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Tuition Singapore Primary Maths Tuition Singapore – Numbers

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

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Tuition Singapore Primary Science Tuition – Life Cycles of Fully Growth Plant

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

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