info@avatto.com
+91-9920808017
0. You have three test tubes X, Y and Z half-filled with different solutions, as X is filled with sodium chloride solution, Y is filled with sodium hydroxide solution and Z is filled with dilute hydrochloric acid. On adding one drop of phenolphthalein solution to each of the above solutions, you would observe the solutions in the test tubes as
X is pink; Y is pink and Z is colourless
X is colourless; Y is pink and Z is colourless
X is pale green; Y is colouricss and Z is red
X is colourless; Y is pale green and Z is pink
You must be logged in to post a comment.
Login with Facebook
Login with Google
Forgot your password?
Lost your password? Please enter your email address. You will receive mail with link to set new password.
Back to login
You must be logged in to post a comment.