Phosphates are used in the chemical...

Question 1 / 205eccefa0bacbc34ba4d46f94

Question 1 of 205eccefa0bacbc34ba4d46f94

Phosphates are used in the chemical treatment of boiler water to __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46f94

Phosphates are used in the chemical treatment of boiler water to __________.

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🔍 Key Concepts

• Boiler water treatment goals – preventing scale, corrosion, and carryover • Phosphate treatment – how it reacts with hardness ions like calcium and magnesium • Difference between removing oxygen, controlling alkalinity, and dealing with scale-forming salts

💭 Think About

• Ask yourself: what specific boiler water problem do calcium and magnesium hardness cause, and how do phosphates interact with those ions? • Which of the choices specifically talks about changing the form of scale-forming materials rather than removing gases like oxygen? • Think about which boiler problems are handled by other chemicals (like oxygen scavengers or pH/alkalinity adjusters), and eliminate those options.

✅ Before You Answer

• Identify which answer choice refers to scale or hardness rather than gases or metal embrittlement • Confirm that dissolved oxygen is normally treated with chemicals like sulfites, not phosphates • Remember that hydrogen embrittlement and vanadium control are usually associated with fuel/metal issues, not basic boiler water phosphate treatment

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Question 1 of 20

Phosphates are used in the chemical treatment of boiler water to __________.

control alkalinity and neutralize vanadium

convert scale forming salts to relatively harmless sludges

neutralize the harmful effects of hydrogen embrittlement

decrease dissolved oxygen content

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Question 1 / 205eccefa0bacbc34ba4d46f94

Question 1 of 205eccefa0bacbc34ba4d46f94

Phosphates are used in the chemical treatment of boiler water to __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46f94

Phosphates are used in the chemical treatment of boiler water to __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed