What will be the colour change of a blue and red litmus paper if dipped in; 1. Sodium hydroxide
2. Ammonia solution
3. Milk
4. Coca-Cola
5. White wine
6. Beer
7. Bicarbonate of soda
1. Sodium hydroxide - Red
2. Ammonia solution - Red
3. Milk - No colour change
4. Coca-Cola - No colour change
5. White wine - No colour change
6. Beer - No colour change
7. Bicarbonate of soda - Blue