Some Basic Concepts of Chemistry MCQ Quiz: GKFix - Bridge of Knowledge

Question 1

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What is the main advantage of using the lime-soda process?

It is inexpensive to operate
It does not produce any waste
It increases the sodium content of water
It is effective for both temporary and permanent hardness

Question 2

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What is the main disadvantage of using distillation for water softening?

It increases the sodium content of water
It produces large amounts of sludge
It removes only calcium ions
It is energy-intensive and expensive

Question 3

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What is the main use of the distillation process in water treatment?

To increase the sodium content of water
To remove only calcium ions
To remove only magnesium ions
To remove all types of hardness and impurities

Question 4

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What is the main disadvantage of using reverse osmosis for water softening?

It increases the sodium content of water
It produces large amounts of sludge
It removes only calcium ions
It is expensive and energy-intensive

Question 5

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What is the main advantage of the lime-soda process?

It is inexpensive to operate
It does not produce any waste
It increases the sodium content of water
It is effective for both temporary and permanent hardness