observations:
Sample Taken pH paper colour turned to
I Water Blue
II Dilute HCl Red
III Dilute NaoH Blue
IV Dilute Ethanoic Acid Orange
Which one of the above observations is incorrect?
2007-03-26 23:46:22 · 6 answers · asked by "nee" 1 in Science & Mathematics ➔ Chemistry
the observation of water is incorrect.pH paper should turn to green when dipped in water.
2007-03-26 23:51:13 · answer #1 · answered by Soham 1 · 0⤊ 0⤋
I only complete Biology paper 6 in the present day!!!! lol i don't understand what your asserting yet we were given a question giving a table the time is not ordinary that is like 10:00 to 16:00 to 22:00 to 4:00 all have a distinction of 6 hours!!! besides the indisputable fact that the time should be on the x axis!!!! CAUTIONS depending is continuously on the y axis and self sustaining is continuously on the x axis!!! i don't understand if this became dishonest or no longer lol 'reason i imagine I only advised you the question only now O_O the following day we've chemistry paper a million and six alongside with maths paper 2 No no enzyme question
2016-12-02 21:32:00 · answer #2 · answered by ? 4 · 0⤊ 0⤋
IV is incorrect. pH paper only turns red (although I would say it's pinkish) or blue
2007-03-27 00:01:06 · answer #3 · answered by arjay 2 · 0⤊ 0⤋
a PH paper cannot turn orange in ethanoic acid, thus, IV above is incorrect.
2007-03-26 23:52:29 · answer #4 · answered by dessy 2 · 0⤊ 0⤋
Water, it is neutral, so no colour change
2007-03-27 00:49:04 · answer #5 · answered by Anonymous · 0⤊ 0⤋
(I) the first one is incorrect because water is neutral....
2007-03-27 00:08:57 · answer #6 · answered by karthic 3 · 0⤊ 0⤋