Grade 12th pass7 grade science
Blue litmus solution is added to two test tubes A and B containing dilute hydrochloric acid and sodium hydroxide solutions, respectively. In which test tube a colour change will be observed? State the colour change and give its reason.
Blue litmus solution is added to two test tubes A and B containing dilute hydrochloric acid and sodium hydroxide solutions, respectively. In which test tube a colour change will be observed? State the colour change and give its reason.
