Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) General Science Chemistry Chemical Reaction
In a chemical change:
1
Loss or gain of heat may be involved in this reaction
2
A new substance is formed and Loss or gain of heat may be involved in this reaction
3
Properties of constituent elements/substance is retained
4
A new substance is formed
5
Question Not Attempted