Subject :IGK Class : Class 5
An element is a substance that cannot be chemically interconverted or broken down into simpler substances. Which of these is an element?
ACarbon dioxide
BAir
CHydrogen
DWater
it should be A. if hydrogen cannot be broken then what is hydrogen peroxide
Ans 1:
Class : Class 9
carbon dioxide ,air and hydrogen are gases and can be joint together again on their own but liquids like water can only be joint when we allow them ,sooption D is correct.
Ans 2:
Class : Class 8
Ans 3:
Class : Class 9
carbondioxide and
Ans 4:
Class : Class 5
C