Iers there any trick to remember acids changes blue litmus paper to red and red litmus paper to blue??

Acid changes blue litmus to red-
As we know acids are dangerous and red colour signifies colour of danger. So remember that resultant colour of litmus will be red whether it is blue or red litmus.
Base changes red litmus to blue-
The initial of base is B and initial of blue is also B. So it is easy to remember that resultant colour of litmus will be blue whether is red or blue litmus.

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There is one trick I use:

BRA [ which stands for blue to red is acid ]

RBB [ which stands for red to blue is base]

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Consider acids as an angry person. So its colour is red which is red litmus paper. Then consider bases as calm people as blue represents calmness. So their paper is blue litmus.

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Consider acids as an angry person. So its colour is red which is red litmus paper. Then consider bases as calm people as blue represents calmness. So their paper is blue litmus.

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DEAR FRIEND ,

Consider acids as an angry person. So its colour is red which is red litmus paper. Then consider bases as calm people as blue represents calmness. So their paper is blue litmus.

PLEASE PLEASE THUMBS UP FOR ME !!!!!!!

REGARDS !!!!!!!!!!!

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