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Grade 11 Exam  >  Grade 11 Tests  >  Chemistry for Grade 11 (IGCSE)  >  Test: Treatment of Domestic Water & Fertilizers - Grade 11 MCQ

Test: Treatment of Domestic Water & Fertilizers - Grade 11 MCQ


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10 Questions MCQ Test Chemistry for Grade 11 (IGCSE) - Test: Treatment of Domestic Water & Fertilizers

Test: Treatment of Domestic Water & Fertilizers for Grade 11 2024 is part of Chemistry for Grade 11 (IGCSE) preparation. The Test: Treatment of Domestic Water & Fertilizers questions and answers have been prepared according to the Grade 11 exam syllabus.The Test: Treatment of Domestic Water & Fertilizers MCQs are made for Grade 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Treatment of Domestic Water & Fertilizers below.
Solutions of Test: Treatment of Domestic Water & Fertilizers questions in English are available as part of our Chemistry for Grade 11 (IGCSE) for Grade 11 & Test: Treatment of Domestic Water & Fertilizers solutions in Hindi for Chemistry for Grade 11 (IGCSE) course. Download more important topics, notes, lectures and mock test series for Grade 11 Exam by signing up for free. Attempt Test: Treatment of Domestic Water & Fertilizers | 10 questions in 10 minutes | Mock test for Grade 11 preparation | Free important questions MCQ to study Chemistry for Grade 11 (IGCSE) for Grade 11 Exam | Download free PDF with solutions
Test: Treatment of Domestic Water & Fertilizers - Question 1
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What is the primary function of an aquifer in the context of water supply?

Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 1
Aquifers serve as geological formations capable of storing water. They play a crucial role in storing and supplying water for various purposes, such as drinking, irrigation, and industrial use. Aquifers are essential for maintaining water availability in regions that rely on groundwater sources.
Test: Treatment of Domestic Water & Fertilizers - Question 2
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What is the purpose of chlorination in the treatment of water?

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Chlorination is a vital step in water treatment that involves adding chlorine to water to kill harmful bacteria and microorganisms that cannot be trapped by filters. This process helps ensure that the treated water is safe for consumption by effectively disinfecting it and reducing the risk of waterborne diseases.
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Test: Treatment of Domestic Water & Fertilizers - Question 3
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What is the purpose of filtration using activated carbon in water treatment?

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Filtration using activated carbon, typically in charcoal form, is employed in water treatment to eliminate tastes and odors from the water. Activated carbon has a high surface area that can adsorb organic compounds responsible for unpleasant tastes and odors, thereby improving the overall quality of the treated water.
Test: Treatment of Domestic Water & Fertilizers - Question 4
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What is the main objective of passing water through sedimentation tanks during the water treatment process?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 4
Sedimentation tanks play a crucial role in the water treatment process by allowing particles like mud, sand, and other impurities to settle at the tank's bottom. This settling process helps in separating solid impurities from the water, making it clearer and cleaner before further treatment steps.
Test: Treatment of Domestic Water & Fertilizers - Question 5
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What is the significance of phosphorus for plant growth?
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Phosphorus is essential for promoting healthy roots in plants. It plays a crucial role in root development and establishment, contributing to the overall growth and structural integrity of the plant's root system. Adequate phosphorus levels are necessary for robust root growth and nutrient uptake.

Test: Treatment of Domestic Water & Fertilizers - Question 6
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Which of the following is a common water-soluble source of nitrogen in fertilizers, readily absorbed by plants for growth?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 6
Nitrate ions (NO3-) are a common water-soluble source of nitrogen in fertilizers. Plants readily absorb nitrate ions to support their growth and development. Nitrogen is a vital nutrient for plants, essential for various biological processes such as photosynthesis, protein synthesis, and overall plant vigor.
Test: Treatment of Domestic Water & Fertilizers - Question 7
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Which compound is commonly used as a fertilizer and is represented by the chemical formula NH4NO3?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 7
Ammonium nitrate (NH4NO3) is a common fertilizer compound used in agriculture. It provides a high source of nitrogen that plants need for their growth and development. Interestingly, ammonium nitrate is also widely used in the production of explosives due to its high nitrogen content.
Test: Treatment of Domestic Water & Fertilizers - Question 8
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Which fertilizer compound is known for supplying potassium to plants and is represented by the chemical formula K2SO4?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 8
Potassium sulfate (K2SO4) is a fertilizer compound that provides essential potassium to plants, which is crucial for functions like photosynthesis, protein synthesis, and the activation of enzymes. This compound is particularly useful for crops that require high levels of potassium, such as fruits and vegetables.
Test: Treatment of Domestic Water & Fertilizers - Question 9
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Which of the following compounds is a common fertilizer that contains phosphorus and nitrogen and is represented by the chemical formula (NH4)3PO4?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 9
Ammonium phosphate ((NH4)3PO4) is a fertilizer compound that contains both phosphorus and nitrogen, two essential nutrients for plant growth. Phosphorus is crucial for root development and flowering, while nitrogen is important for overall plant health and green leafy growth.
Test: Treatment of Domestic Water & Fertilizers - Question 10
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Which fertilizer compound is commonly used to raise soil pH levels and is represented by the chemical formula CaCO3?
Detailed Solution for Test: Treatment of Domestic Water & Fertilizers - Question 10
Calcium carbonate (CaCO3) is often used in agriculture to raise soil pH levels and reduce acidity. It provides calcium, an essential nutrient for plant cell wall structure and overall plant health. Additionally, calcium carbonate can help improve soil structure and enhance nutrient availability for plants.
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