Alkalis

Which of the following is NOT a property of alkalis?

• Alkalis have a bitter taste

• Alkalis are corrosive

• Alkalis feel soapy

• Alkalis cannot conduct electricity

Chose the word which best completes the following statement: An alkali which dissolves in water forms an _______ solution.

• Neutral

• Acidic

• Colourful

• Aqueous

How do alkalis taste?

• Sweet

• Bitter

• Sour

• Salty

Which one of the following can be used to remove stains from white clothes?

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Choose the alkali which is added to cakes and bread to make them rise when baking.

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What is the name of the alkali used to make paper and soaps?

• Potassium Hydroxide

• Sodium Hydroxide

• Calcium Carbonate

• Magnesium Hydroxide

What is another name for calcium hydroxide?

• Soap

• Sewage

• Sugar water

• Limewater

Which product is used to relieve indigestion?

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Which alkali can be used in many cleaning products?

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Potassium hydroxide is added to soil to make plants grow better. What is wrong with the soil that it needs an alkali added to it?

• The soil is neutral

• The soil is dry

• The soil is acidic

• The soil is wet