Question

What is the Properties of base? ​

Answer 1

Answer:

Bases often have a bitter taste and are found in foods less frequently than acids. Many bases, like soaps, are slippery to the touch. Bases also change the color of indicators. Litmus turns blue in the presence of a base while phenolphthalein turns pink.

Explanation:

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Answer 2

Answer:

Bases change the colour of litmus from red to blue.

• They are bitter in taste.
• Bases lose their basicity when mixed with acids.
• Bases react with acids to form salt and water. This process is called Neutralisation Reaction(Read).
• They can conduct electricity.
• Bases feel slippery or soapy.
• Some bases are great conductors of electricity.
• Bases like sodium hydroxide, potassium hydroxide, etc are used as electrolytes.
• Alkalis are bases that produce hydroxyl ions (OH-) when mixed with water.
• Strong alkalis are highly corrosive in nature whereas other alkalis are mildly corrosive.
• The pH value of bases ranges from 8-14.
• Alkalis and ammonium salts produce ammonia.
• Hydrogen gas is evolved when metals react with a base.
• Bases are classified on the basis of strength, concentration and acidity.
• The different kinds of acids are strong base acid, weak base acid, concentrated base, dilute base, monoacidic base, diacidic base and triacidic base.

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