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DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 4 Indicators change their colour when added to a solution containing an acidic or a basic substance. Turmeric, litmus, China rose petals (Gudhal), etc., are some naturally occurring indicators. Which of the following statements is correct? |
A. | Colour of litmus changes from blue to red in an acidic solution. |
B. | Colour of litmus changes from red to blue in an acidic solution. |
C. | A is true but R is false. |
D. | Colour of litmus changes from colourless to pink in a basic solution. |
Answer» B. Colour of litmus changes from red to blue in an acidic solution. | |