Computer · Building Materials
प्लास्टर ऑफ पेरिस (Plaster of Paris) का मुख्य घटक क्या है?
- 1कैल्शियम क्लोराइड (Calcium chloride)
- 2कैल्शियम ऑक्साइड (Calcium oxide)
- 3कैल्शियम कार्बोनेट (Calcium carbonate)
- 4कैल्शियम सल्फेट (Calcium sulphate)✓
सही उत्तर देखें
कैल्शियम सल्फेट (Calcium sulphate)
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