Question

Name an alloy of Ni,Cr,Mn and Fe

Answer 1

The terms here corresponds to a branch of science called Chemistry. Science is divided into three branches namely Physics, Chemistry and Biology. This branches come from class 7, before which Science as a whole is read.

                                                                     Before class 7, the Science subject consists of all the basics of the three branches together like Mass and Volume from Physics, States of Matter from Chemistry and Photosynthesis from Biology.