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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).

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1y ago

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What shows whether something is an alkali or acid?

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!


Is washing powder an acid or a base?

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


How do you tell the pH of an acid or alkali?

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.


Is litmus used to differentiate two acids?

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.


How can you tell if something is an acid or alkali?

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).

Related Questions

What can tell us whether something is an acid or alkali in 10 letters?

Test the pH.


What shows whether something is an alkali or acid?

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!


What is the name given to a dye or mixture of dyes that tell us if something is acid or alkali?

An indicator, for example Litmus.


What tells us whether something is an acid or an alkali's?

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.


How can you tell if a colourless liquid is an acid or an alkali?

For an acid, the solution remains colourless or unchanged. For an alkali, it would turn fuschia.


Is washing powder an acid or a base?

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


How do you tell the strength of an acid or alkali?

you get a scale like this


What can tell us wether something is acid or alkali?

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.


How do you tell the difference between an acid and an alkali using bicarbonate soda?

Only an acid releases carbon dioxide (gas bubbles) from bicarbonate.


How do you tell the pH of an acid or alkali?

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.


How can you tell if its an acid?

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.


What quantity can tell you whether a solution is acid or basic?

ph