The pH scale measures acidity or alkalinity of a substance. Substances with a pH below 7 are acidic, while those with a pH above 7 are alkaline. Litmus paper can also be used to distinguish between acids (turns red) and alkalis (turns blue).
You can use indicators (liquid or paper). Universal Indicators (UI) are the best, as with them you can tell if something is acid, neutral or alkali, depending on the colour (there will be a colour indicator). However, you can also use red and blue indicator, but they are less accurate, as although they might be acid (or alkali), they might be neutral as well, so I suggest you use UI. Hope this helps :) Source: Science lessons!
Yes, it is. You can tell weather something is an Alkali, Neutral pr acid via the pH scale or, you can tell if something is an alkali from its consistency; if it is sludgy (like washing-up liquid), it is an alkali. So, I am under the influence that washing-up POWDER is too, an alkali.J.S.P. Aged 11
You can determine the pH of an acid or alkali by using a pH indicator paper or probe. The pH scale ranges from 0 to 14, with lower numbers indicating acids (0-6), 7 being neutral, and higher numbers indicating alkalis (8-14). The color change on the indicator paper or the pH reading on the probe will indicate whether the substance is an acid or alkali.
Litmus paper is not specific enough to differentiate between two acids. It simply indicates whether a substance is acidic or basic based on a color change. To differentiate between two acids, more specific tests such as titrations or pH measurements would be required.
One way to determine if a substance is an acid or alkali is by using pH paper or a pH meter to measure its pH level. Acids typically have a pH below 7, while alkalis have a pH above 7. Another way is to observe its chemical properties, such as its reaction with indicators like litmus paper (turns red in acids and blue in alkalis).
Test the pH.
You can use indicators (liquid or paper). Universal Indicators (UI) are the best, as with them you can tell if something is acid, neutral or alkali, depending on the colour (there will be a colour indicator). However, you can also use red and blue indicator, but they are less accurate, as although they might be acid (or alkali), they might be neutral as well, so I suggest you use UI. Hope this helps :) Source: Science lessons!
An indicator, for example Litmus.
The pH of the solution can tell if it is acidic or alkaline. For acids, pH will be 1 to 7 and for alkaline it will be around 8 to 14. pH of 7 is for neutral solution.
For an acid, the solution remains colourless or unchanged. For an alkali, it would turn fuschia.
Yes, it is. You can tell weather something is an Alkali, Neutral pr acid via the pH scale or, you can tell if something is an alkali from its consistency; if it is sludgy (like washing-up liquid), it is an alkali. So, I am under the influence that washing-up POWDER is too, an alkali.J.S.P. Aged 11
you get a scale like this
You can measure the pH value, if the value is below 7, then it is an acid. (1 being the strongest, 7 being neutral.) There are also some indicators, phenopthalin (think that is what is it called) which will turn purple, when poured into an acid.
Only an acid releases carbon dioxide (gas bubbles) from bicarbonate.
You can determine the pH of an acid or alkali by using a pH indicator paper or probe. The pH scale ranges from 0 to 14, with lower numbers indicating acids (0-6), 7 being neutral, and higher numbers indicating alkalis (8-14). The color change on the indicator paper or the pH reading on the probe will indicate whether the substance is an acid or alkali.
Add an alkali substance to it, such as chalk, if it is an acid it will "fizz" and release carbon dioxide. You could also test with Litmus Paper or Universal indicator.
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