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What colour will universal indicator turn when mixed with a weak alkali?
Universal indicator will turn purple or blue when mixed with a weak alkali.
When an acid and an alkali react what is the pH?
When an acid and an alkali react, they neutralize each other, resulting in a solution with a pH close to 7, which is considered neutral. The pH will depend on the specific amounts and strengths of the acid and alkali used in the reaction.
What alkali has a pH of 14?
Sodium hydroxide has a pH of 14. It is a strong base that is highly alkaline in nature.
What colour does an alkali go when in universal indicator?
An alkali usually turns purple or blue when in universal indicator. This is because universal indicator contains a mixture of different pH indicators that change color at various pH levels, with blue or purple indicating a high pH level associated with alkalis.
What is soil treatment acid or alkali?
Soil treatment can involve both acid and alkali solutions. Acid treatments are used to lower soil pH for crops that prefer acidic conditions, while alkali treatments are used to raise soil pH for plants that thrive in alkaline environments. The choice between acid or alkali treatment depends on the specific needs of the plants being grown.
What pH is a weak alkali?
any concerted alkali is weak alkali
Is alkali an acid?
No. Alkali's and acids are an separate ends of the pH scale, the pH of acids being 1, 2, 3, 4 and 5 (strong to weak) and the pH of alkali's being 11, 12, 13, 14 and 15 (weak to strong). Examples of acids are hydrochloric acid (strong) and vinegar (weak). Toothpaste is an example of a weak alkali.
What pH would a weak alkali have?
A weak alkali would have a pH greater than 7 but less than 10. Examples of weak alkalis include ammonia and baking soda.
What is colour of universal indicator be in weak alkali?
In weak alkali, universal indicator will typically turn green or blue. The specific color will depend on the pH of the solution - the higher the pH, the bluer the color.
Is the pH 10 an acid or alkali?
pH = 10 is a moderately strong ALKALI. The pH scale is ;- 1 - 6 ; Strong Acid to weak acid 7 ; water (neutrality) 8 - 14 ; Weak alkali to strong alkali. NB pH only ranges from '1' to '14'.
Is soap strong or weak alkali?
Moderate. It's pH can vary from 9,5 till 14.
Which colour does a strong alkali turn litmus paper?
ph 8- p14 is a alkali. blue for weak alkali (ph 8) purple for strong alkali (ph14)
Is banana an acid or an alkali?
The pH of a ripe banana is about 4.5 to 5.2, a weak acid.
Is is soap solution strong or weak acid?
its an alkali, the other side of the pH scale you numpty;)
What the some of the weak acids?
everything is eather an acid or an alkali 1 to 6 on the pH chart are acid 8 to 14 are alkali 7 is newtil
Is bleach a weak alkalis?
No, bleach is not a weak alkali. Bleach is a strong alkaline substance, commonly sodium hypochlorite, which has a high pH and is used for its disinfecting and cleaning properties.
What colour would a weak alkali turn in Universal Indicator?
A weak alkali would typically turn blue or purple in Universal Indicator, indicating a pH around 8-10.
