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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.
Typically, students take this exam during their final two years of college-level education (Grades 12 and 13, usually at ages 17–19), or as external (non-school) candidates after completing the GCE Ordinary Level exams. The majority of candidates enter the exam through their respective schools, but those who have completed their school ...
The Arihant-class (transl. 'Slayer of Enemies' in Sanskrit) is a class of Indian nuclear ballistic missile submarines under construction for the Indian Navy. They were developed under the ₹ 900 billion (US$10 billion) Advanced Technology Vessel (ATV) project to design and build nuclear-powered submarines. [ 2 ]
INS Arighaat is an upgraded variant of the Arihant-class submarine. [9] [10] [11] It is the second nuclear-powered ballistic missile submarine made by India [12] under the Advanced Technology Vessel (ATV) project to build nuclear submarines at the Ship Building Centre in Visakhapatnam. [1] It has the code name S3. [3] [13] [14]
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1]
Apart from these remarkable solutions, much of the chemistry in liquid ammonia can be classified by analogy with related reactions in aqueous solutions. Comparison of the physical properties of NH 3 with those of water shows NH 3 has the lower melting point, boiling point, density, viscosity , dielectric constant and electrical conductivity .
The Sinhala script (Sinhala: සිංහල අක්ෂර මාලාව, romanized: Siṁhala Akṣara Mālāva), also known as Sinhalese script, is a writing system used by the Sinhalese people and most Sri Lankans in Sri Lanka and elsewhere to write the Sinhala language as well as the liturgical languages Pali and Sanskrit. [3]