WBCHSE Class 11 Chemistry: Some Basic Concepts of Chemistry – Chhaya Publication
WBCHSE Class 11 Chemistry: Some Basic Concepts of Chemistry – Chhaya Publication Unit-1 (Some Basic Concepts of Chemisiry) of Chhaya Chemistry (xi) Part-1 Q1. The ratio of molecular masses of two substances \( A \) and \( B \) is \( 2: 3 \). If equal masses of these two substances be vaporised, the ratio … Read more