Subject :NSO Class : Class 7
Rahul took a turmeric paper and tried to draw flowers
on it with the help of cotton buds dipped in solutions
P and Q. The flower drawn with solution P was not
visible while the one drawn with solution Q. turned red.
Solutions P and Q. could be respectively
A Lime water and lemon juice
B Vinegar and soap solution
C Common salt solution and baking soda
D Both B and C.