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Tuition Center Singapore Chemistry Tuition – Experimental Techniques Important Definitions   Filtrate is the liquid that passes through the filter paper. Distillation is a technique for separating a liquid by boiling the liquid and condensing the vapour. The distillate is the product obtained from condensation during distillation. Residue is the solid that remains on the filter paper after filtration, or the solid that remains in the distillation flask after distillation. Fractional distillation is a technique for separating a mixture of liquids with different boiling points. In fractional distillation, the distillation apparatus is fitted with a fractionating column. A pure substance is a single substance that is not mixed with other substances. Chromatography is a technique of using ...

Tuition Singapore Primary 6 English Tuition – Grammar Discrete   1.I am not sure which is worse, _________to stay at home to work on my project  or shopping with my mother at the grocery shop. A) has B) have C) having D) have had 2. Jenny, together with her good friends, _________going for the show later this afternoon. A) is B) are C) was D) were 3. Stephen_________ for more than an hour. A) is waiting B) was waiting C) has been waiting D) have been waiting Answers 1C 2A 3C   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary School English Tuition  

Tuition Singapore Primary 6 Math Tuition – Fractions, Percentage and Ratio   Question David had some 50 cents coins. Wax had some $1 coins. David gave 50 % of his coins to Wax and Wax gave 50% of his coins to David. Wax used some of the 50 cents coins to buy a book that cost $5. David used some of his $1 coins to buy a bag that cost $16. After that the ratio of the number of 50 cents coins to $1 coin David had was 1:2 and the number of 50 cents coins to the number of $1 coins Wax had was 1 : 5. How much did David have at first?   Answer: $22   Please contact Angie @ 96790479 or Mr Ong @ 98639633 for detail solution or you need Primary Math Tuition

Tuition Singapore Primary Science Tuition – Living and Non-Living Things Question Alvin puts two pots of plants, plant P and plant Q, in a sunny place. He puts one of the plants in a box and cuts a small hole on one side of the box. Two weeks later, he observes that plant Q is growing towards the small hole. From the observation, he achieves the objectives of this experiment. (a) What has Alvin found out about plants from his experiment? (b) What must he do to ensure that plant Q does not die?   Answer (a) He has found out that plants would grow towards the sun to have more sunlight. (b) He must water it.   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary Science Tuition    

Tuition Singapore Secondary Math Tuition -Prime Numbers, Prime Factorisation and Index Notation Note : 0 and 1 are neither prime nor composite numbers   A prime number is a whole number greater than 1 that has exactly two different factors, 1 and itself. E.g. 5 = 1 x 5 Since 5 has no other whole number factors other than 1 and itself, it is a prime number. The numbers 2, 3, 5, 7, 11, 13, 17, … are prime numbers. A composite number is a whole number greater than 1 that has more than 2 different factors. E.g. 6 = 1 x 6 6 = 2 x 3 4 factors   6 is a composite number. The numbers 4, 6, 8, 9, 10, 12, 14, 15, 16, … are composite numbers. In other words, all whole numbers greater than 1 that are not prime numbers are composite numbers.      5. Prime factors are factors of a n ...