One common way to remove phosphates from water is by the addition of what?

One common way to remove phosphates from water is by the addition of what?

Correct Answer: calcium hydroxide
isotopes
acetic acid
nitrous oxide

Explanation: One common way to remove phosphates from water is by the addition of calcium hydroxide, known as lime, Ca(OH)2. The lime is converted into calcium carbonate, a strong base, in the water. As the water is made more basic, the calcium ions react with phosphate ions to produce hydroxylapatite, Ca5(PO4)3(OH), which then precipitates out of the solution:.

Join our channels for latest updates

WhatsApp Telegram

More Random Questions

Q: Where was 'Kataragama Esala Utsav' celebrated?
Ans: Sri Lanka

Q: What are cyclic compounds which have an element other than carbon atoms in the ring?
Ans: heterocyclic compounds

Q: Each of what paired organs is enclosed within a cavity surrounded by the pleura?
Ans: heart

Q: What process takes place when plants release water vapor through pores in their leaves called stomata?
Ans: propagation

Q: Mollusks have a true coelom and a complete what?
Ans: tissues system

Q: A pregnant patient develops gestational diabetes. Which intervention is first-line?
Ans: Dietary modification

Q: Which collision resolution technique involves placing collided elements in the next available empty slot in the hash table?
Ans: Data Structures

Q: 'Tahir Zaman' was appointed as the head coach of which country's hockey team in September 2024?
Ans: Pakistan

Q: Which group defended Vedic kingdoms?
Ans: Kshatriyas

Q: A patient with severe preeclampsia develops HELLP syndrome. Which laboratory finding is diagnostic?
Ans: Elevated liver enzymes and low platelets

Q: How should a driver maintain the air filter?
Ans: Clean or replace regularly

Q: Which river is the second longest globally?
Ans: Amazon

Q: Which Indian river is known as the "Lifeline of Madhya Pradesh"?
Ans: Narmada

Q: Who ordered the Jallianwala Bagh Massacre in 1919?
Ans: General Reginald Dyer

Q: Who won the Women's Asia Cup 2024?
Ans: Sri Lanka

Youngistan Junction

Welcome to Youngistan Junction, your ultimate hub for staying updated with the latest in current affairs, general knowledge, and general studies! Whether you're a student gearing up for exams or just someone passionate about expanding your knowledge, Youngistan Junction is here to provide you with an extensive collection of well-curated questions and answers.