Computer · Building Materials
टेराज़ो या कंक्रीट के फर्श को चमकदार बनाने के लिए उसे निम्नलिखित में से किस पदार्थ से रगड़ा जाता है?
- 1सोडियम हाइड्रोक्साइड
- 2सोडियम कार्बोनेट
- 3ऑक्सेलिक एसिड✓
- 4सोडियम सिलिकेट
सही उत्तर देखें
ऑक्सेलिक एसिड
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