For literature:
Anyone here using the book Island voices?
If yes, i need some help in the story:
1. The History of Tea
2. An obituary for fifth aunt came late
3. A dream of China
For English:
Why is it that the answers that i got for the comprehension qns seems correct to me, but it is still wrong?
For Maths:
In the topic matrices, especially for the problem sums, how do u all get the data and put them into the matrices form? eg. form 2 matrices to show the sum of money collected
For Chemistry:
how to properly balance equation?
When and why i must do sth like : Mg(something)2, why sometimes must bracket and put 2?
bracket means everything inside x2 :D
the bracket is for complex ions like CO3 2-, SO4 2-, NO3 -, NH4 +, OH -
normal elements no need to bracket