Question

1) on heating, hydrated copper sulphate changes
its colour from_____to_____ 2) In the type of reaction called________to components or compounds exchange their
positive and negative radical. 3) Symbolic expression for a molecule is called__________ 4) Dalton used Symbol______ for oxygen
5) Elements having three atoms in their molecules
called_______​

Answer 1

1) blue to white

2)double displacement reaction

3)molecular formula. eg-o2

4)just a blank circle

5) triatomic molecules

H

ope

it

helps

pls mark Brainliest

Answer 2

Answer:

1. blue,white

2.double displacement

3.molecular formula

4.O

5.Triatomic