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  2. All India Secondary School Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Secondary_School...

    All India Secondary School Examination. All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world ...

  3. Central Board of Secondary Education - Wikipedia

    en.wikipedia.org/wiki/Central_Board_of_Secondary...

    The Central Board of Secondary Education ( CBSE) is a national level board of education in India for public and private schools, controlled and managed by the Government of India. Established in 1929 by a resolution of the government, the Board was an experiment towards inter-state integration and cooperation in the sphere of secondary ...

  4. Board examination - Wikipedia

    en.wikipedia.org/wiki/Board_examination

    The 2024 CBSE board examination for Class 10 were held from 15 February till 11 March and from 15 February till 2 April for class 12. The usual starting time for each exam was 10:30 am but depending on the length and/or maximum marks for the subject, the finishing time was either 12:30 pm (2 hours, shorter exams, usually 40-50 marks) or 1:30 pm ...

  5. Tenth grade - Wikipedia

    en.wikipedia.org/wiki/Tenth_grade

    In Denmark the 10th grade may refer to an extra year of primary school. Earlier, 10th grade was mostly for people who had a hard time in primary school and needed an extra year to prepare for high school (or another secondary education of some sort), but nowadays, it is widely popular amongst challenged and gifted students alike and usual attended at a special kind of boarding school called an ...

  6. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    The four most common elements in living organisms – carbon, hydrogen, oxygen, and nitrogen – may be remembered with the acronym CHON . To remember the elements necessary for agriculture; C arbon, H ydrogen, Ca lcium, Iron ( Fe ), Magnesium ( Mg ), Manganese ( Mn ), Copper ( Cu ), Mo lybdenum, Chlorine ( Cl ), B oron.

  7. All India Senior School Certificate Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Senior_School...

    Qualification rate. 87.33% (2023) Website. www .cbse .gov .in. The All India Senior School Certificate Examination (AISSCE) also called Class 12 Board Exams in common language, is the final examination conducted every year for high school students by the Central Board of Secondary Education on behalf of the Government of India. [ 1][ 2]

  8. Distance of closest approach - Wikipedia

    en.wikipedia.org/wiki/Distance_of_closest_approach

    The distance of closest approach of two objects is the distance between their centers when they are externally tangent. The objects may be geometric shapes or physical particles with well-defined boundaries. The distance of closest approach is sometimes referred to as the contact distance. For the simplest objects, spheres, the distance of ...

  9. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    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.