Singapore Maths Tuition - University and JC

Individual and small group maths tuition in Singapore - University and Junior College

238 GCE ‘A’ Level Chemistry Paper 3 scripts from 2017 examination stolen from courier van

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03 March 2018

A parcel containing 238 GCE ‘A’ Level Chemistry Paper 3 scripts from last year’s examinations held in Singapore were stolen from a courier van in Britain.

The Singapore Examinations and Assessment Board (SEAB) said the affected students were given final grades based on their performance in other parts of the Chemistry exam as well as their cohort’s overall performance. The students also have the option to resit Paper 3.

A Nanyang Junior College student who left one-third of his Chemistry Paper 3 blank is cheering the fact that his answer script was stolen and he ended up with an A.

However, some students are unhappy with the overall grade they received and are considering resitting the paper.

Chemistry Paper 3 carries 35 per cent of the marks for the subject.

Invention of a graphene-oxide sieve that can filter dissolved ionic compounds from water

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06 April 2017

A team led by Dr Rahul Raveendran-Nair from the University of Manchester in the United Kingdom has invented a graphene-oxide membrane that can filter salts from a solution like seawater.

In the past, membranes could only sieve out large particles from water, but fails at stopping the flow of dissolved ionic compounds.

The Manchester team built walls of epoxy resin on a graphene oxide membrane, preventing the membrane from swelling up under water and thus enabling the membrane pores to trap dissolved salt ions.

By precisely controlling the pore size in the membrane, holes can be made tiny enough to filter out all common salts from seawater whilst allowing pure water to pass through.

Email Address

ngejaysuss@gmail.com

Handphone Number

9724-0163 (Mr Ng)

Academic Qualifications

Ph.D. in Mathematics;
B.Sc. First Class Honours in Mathematics