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How bicarbonate indicator show present of oxygen or not?
if oxygen present the colour of bicarbonate indicator will change to brown like in my experiment,i think it's not fully successful but not dissapoint me.
Which indicator would be the best to show a change from an acid to a base?
phenolphthalin
When you add an acid to an alkali it changes to a neutral which colour change would this show with an indicator?
It depends on the indicator and there are quite a few. Methyl Red, Methyl orange and Phenolphthalein are 3 such acid-base indicators. If phenolphthalein is used as the indicator and added to the base it would immediately turn red/pink. As acid is titrated in, the red/pink will disappear and go colorless.
What colour does the univeral indicator turn in ammonia solution?
It depends on the concentration of the ammonia solution as the universal indicator can show a huge variety of colors.
The purpose of an indicator in a titration experiment?
The indicator is used to measure the end point of titration. Methyl red and phenolphthalein are frequently used indicators in acid-base titration. Potassium permanganate can used as a self indicator in redox titrations where applicable.
What do you call a substance which is used to show changes in pH by its change in color?
An indicator
If your head gasket has gone on your A140 would the dipstick show clear oil on it or would it be a different colour?
When oil and water are combined in the engine it will form a white frothy mixture which will be evident on the dipstick. Definate indicator of a blown head-gasket
How do pH indicator dyes show a change in pH from acidic to basic or vice versa?
Certain indicators only change colour when placed in a particular pH level or range (e.g. litmus) and others are colourless in certain conditions (e.g. phenolphthalein, leuchomalachite green's second transition).
What is chemical which mixed with caustic soda becomes pink?
Phenolphthalein is the indicator that turns pink in alkaline solutions it WILL NOT show any colour in an acid environment!!
What is an indicator for acid and bases?
There are three types of substances acids, bases, and neutrals. The properties of an acid include they are sour, have a PH of less then 7, corrosive to skin, contains hydrogen, and reacts to litmus paper.
What is indicator which has no color with the acidic medium?
Phenolphthalein and other indicators which themselves are weak acid show a colour change in basic medium (between pH value 7.1 to 14) so in acids they remain unchanged.
What color change does each indicator show to represent acids bases and neutral?
There are far too many indicators to give them all. Litmus is blue in alkali, red in acids and an in-between colour often called claret when neutral. Universal indicator is red in strong acids, blue in strong alkalis and different colours in between depending on the brand.
