User Forum

Subject :NSO    Class : Class 7

star_opt.jpeg Ravi took a paper blotted with solution X. He dipped the paper in lime water and observed that the colour of lime water turned brownish red. What do you think the paper was blotted with?

A Red litmus solution
B Methyl red solution
C Turmeric solution
D Phenolphthalein solution


ok

Post Your Answer