Occurring of day and night is a _______________ change.
Periodic
Non periodic
State
Physical
Products are written on ________________ side of chemical equation
Right
Left
Both
None of these
Reactants are written on ______________ side of chemical equation.
Copper sulphate is ________________ in color.
Blue
Green
Yellow
White
Chemical changes are also called ______________.
Temporary reactions
Physical reactions
Chemical Reactions
_________________ are written on the right side of the chemical equation.
Products
Reactants
Pollutants
Bases
What is the color of copper oxide?
Black
Violet