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Do bases have a high or low concentration of OH- ions?
Bases have a high concentration of OH- ions. When bases dissolve in water, they release hydroxide ions (OH-) which can accept protons to form water. This interaction is responsible for the basic properties of these substances.
What is there a high concentration of in basic substances?
Basic substances, or bases, have a high concentration of hydroxide ions (OH⁻). These substances often result from the dissociation of alkalis, such as sodium hydroxide or potassium hydroxide, in water. The presence of these hydroxide ions contributes to the alkaline properties of the solution, giving it a higher pH level.
Is alcohol acetic or alkaline?
Alcohol is not acetic or alkaline. It is a separate category of organic compounds that contain the hydroxyl (-OH) functional group. Acetic acid is a specific type of acid, while alkaline substances have a high pH level.
Why are acidic substances lower in pH value than basic substances?
Acidic substances have higher concentrations of hydrogen ions (H+) which results in a lower pH value compared to basic (alkaline) substances. A lower pH value indicates a higher concentration of H+ ions, while a higher pH value indicates a higher concentration of hydroxide ions (OH-) found in basic substances.
Substances such as NaOH which dissociate into OH- ions are classified as?
Substances that dissociate into hydroxide (OH-) ions are classified as bases. These bases are capable of accepting protons (H+) in chemical reactions.
What type of substances start a chemical reaction?
These substances are called reactants.
Which substances decreases the H ion concentration in a solution?
Bases, anything with the OH- ion in the formula.
Does water have a high density compared to other substances?
Yes, water has a relatively high density compared to many other substances.
Which type of gas does an aeroplane use?
Avgas- A high octant fuel , with a high calorific value Jet Fuel- Another type of fuel, which is clear commonly referred to as A1- Fuel Biofuel- Which is yet to be tested and started. Mainly a mixture of decomposed substances.
What are the examples of base substances?
Examples of base substances include sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium hydroxide (Ca(OH)2). These substances have a high pH and can accept protons when they react with acids.
Are compounds the simplest type of substances and cannot be broken down into any other substances?
No: Compounds are simple mixtures of substances
Hypothesis of acid and alkaline?
The hypothesis regarding acids and alkaline substances states that acids release hydrogen ions (H+) in a solution, lowering its pH, while alkaline substances release hydroxide ions (OH-) in a solution, raising its pH. This hypothesis guides experiments to test the effects of different substances on the acidity or alkalinity of a solution.
