How will you identify an alkaline solution?
Important Questions on Role of Substances in Environment
Do alkaline solution have any resemblance?
Dip a piece of red and a piece of blue litmus paper in each of the solution to be tested. Note the colour change observed in the following table:
| Sl.No. | Name of the material | Colour of the blue litmus | Colour of the red litmus |
| Soap solution | |||
| Tamarind juice | |||
| Curd | |||
| Sodium hydroxide solution | |||
| Lime water | |||
| Baking soda solution | |||
| Orange juice |
Test the following samples with red and blue litmus paper. Fill up the following table:
| Sl.No. | Sample | Colour of blue litmus | Colour of red litmus |
| Lemon sherbat | |||
| Drinking water | |||
| Betel leaf with masala | |||
| Sliced raw potato | |||
| Sliced raw tomato |
Which of the following samples is acidic?
Lemon sherbat, drinking water, betel leaf with masala, sliced raw potato and sliced raw tomato.
Which of the following samples is basic?
Lemon sherbat, drinking water, betel leaf with masala, sliced raw potato and sliced raw tomato.
Which of the following samples do not show any change in the colour of the indicator, that is shown by acid or base on blue or red litmus.
Lemon sherbat, drinking water, betel leaf with masala, sliced raw potato and sliced raw tomato.
How does acid, base and neutral solution reacts with red litmus paper?
How do acid, base and neutral solution react with blue litmus paper?
