What is the effect of an acid on blue litmus, red litmus, and methyl orange?
The indicators which turn red in acid solution are :
(a) turmeric and litmus
(b) phenolphthalein and methyl orange
(c) litmus and methyl orange
(d) phenolphthalein and litmus
What is the effect of Nitric acid on
(ⅰ ) Phenolphthalein?
(ⅱ) Blue litmus solution?
(ⅱⅰ) Methyl orange?