Search results
Results From The WOW.Com Content Network
Making a saline water solution by dissolving table salt in water.The salt is the solute and the water the solvent. In chemistry, a solution is defined by IUPAC as "A liquid or solid phase containing more than one substance, when for convenience one (or more) substance, which is called the solvent, is treated differently from the other substances, which are called solutes.
A past paper is an examination paper from a previous year or previous years, usually used either for exam practice or for tests such as University of Oxford, [1] [2] University of Cambridge [3] College Collections. Exam candidates find past papers valuable in test preparation.
The exams are held in three mediums Sinhala, Tamil and English. The exam is the basic Certificate awarded in Sri Lanka as proof of completion of Secondary Education. The GCE O/L examination is an important milestone for students as it determines their eligibility to pursue further studies at the Advanced Level (A/L) or vocational training courses.
In Bangladesh, the International GCSE (IGCSE) qualification is offered, which is colloquially known as O-Levels, with examinations conducted by Cambridge Assessment International Examinations (CAIE) and Pearson Edexcel both under the board of British Council. Both Pearson Edexcel and CAIE offer International GCSE qualifications.
The majority of candidates enter the exam through their respective schools, but those who have completed their school education can also apply as private candidates. The qualification also serves as an entrance requirement for Sri Lankan state universities. The exams are offered in three mediums: Sinhala, Tamil, and English.
These schools in Bangladesh follow the Cambridge Assessment International Education, Pearson Edexcel, International Baccalaureate and some other curriculums where students are prepared for taking their Ordinary Level (O Level) IGCSE (Cambridge)/ International GCSE (Edexcel), Advanced Level (A Level), and IBDP examinations.
The solubility of a specific solute in a specific solvent is generally expressed as the concentration of a saturated solution of the two. [1] Any of the several ways of expressing concentration of solutions can be used, such as the mass, volume, or amount in moles of the solute for a specific mass, volume, or mole amount of the solvent or of the solution.
Very often, cis–trans stereoisomers contain double bonds or ring structures. In both cases the rotation of bonds is restricted or prevented. [4] When the substituent groups are oriented in the same direction, the diastereomer is referred to as cis, whereas when the substituents are oriented in opposing directions, the diastereomer is referred to as trans.