Litmus test on our tongue gives the following range of colour
Litmus test on our tongue gives the following range of colour
A) 1 – 4
B) 2 – 13
C) 10 – 14
D) 7 only
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Litmus test on our tongue gives the following range of colour
A) 1 – 4
B) 2 – 13
C) 10 – 14
D) 7 only