You need to use numbers given in the question to work out the answer. When an answer to a maths question is marked: full marks are given for the right answer marks may be given for working ...

The Bihar School Examination Board (BSEB) conducted the Class 12 Chemistry Exam 2025 today, February 7, 2025, in the first ...

Key fact Three- to four-mark questions usually require longer answers than one- to two-mark questions. The mark schemes given here show some answers as bullet points. This is to show clearly how a ...