chemical reaction
Methyl orange turns yellow when dipped in a base.
It turns red.
It is salty because the river water heads in it and turns it salty. Animals also make it salty because of their bodies.
Turns red.
put salt in it.
Blue litmus paper turns pink when dipped into a base. This is because the color change indicates a shift in pH level from acidic to basic.
Sure - it turns salty.
vapour
It turns red because rainwater is slightly acidic and litmus turns red in the presence of acids
Blue litmus paper will turn red when dipped in Pepsi. This indicates that Pepsi is acidic in nature.
will stay normal
Blue litmus turns red.