RRB Technician Grade 3 previous year question
Which of the following is the correct formula for the compound calcium phosphate?
Asked in RRB Technician Grade 3 (09 Mar 2026 Shift 2) · Science
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Correct answer: (B) Ca3(PO4)2
Calcium phosphate is formed from Ca²⁺ and PO4³⁻ ions balanced as Ca3(PO4)2, since three Ca²⁺ ions balance two PO4³⁻ ions.
हिंदी में प्रश्न
निम्नलिखित में से कौन-सा, कैल्शियम फॉस्फेट यौगिक का सही सूत्र है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) Ca3(PO4)2
कैल्शियम फॉस्फेट Ca²⁺ और PO4³⁻ आयनों से Ca3(PO4)2 के रूप में संतुलित होता है, क्योंकि तीन Ca²⁺ आयन दो PO4³⁻ आयनों को संतुलित करते हैं।
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