Which one among the following chemicals is used as washing soda ?Calcium carbonateCalcium bicarbonateSodium carbonateSodium bicarbonate

Submitted by examrobotsa on Thu, 01/01/1970 - 05:30

stats:

0,40,56,16,8,40,32

User login

For Search , Advanced Analysis, Customization , Test and for all other features Login/Sign In .

You can't see me :)