Computer · Building Materials
कांच को अग्निरोधी (fire-resistant) बनाने के लिए निर्माण के दौरान निम्नलिखित में से कौन सा यौगिक मिलाया जाता है?
- 1पोटाश (Potash)✓
- 2लेड ऑक्साइड (Lead oxide)
- 3सोडा (Soda)
- 4सिलिका (Silica)
सही उत्तर देखें
पोटाश (Potash)
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