Chemistry Gk QUESTIONS AND ANSWERS :: part2 : 46 to 50
Following Multiple choice objective type questions and answers for gk in hindi will help you as a free online coaching for your hindi written exam preparation for 2024. These are useful study materials collected from previous year question papers. :
46.कॉपर को वायु में जलाने पर कौन सा यौगिक बनता है ? |
| कॉपर हाइड्रॉक्साइड |
| कॉपर हाइड्राइड |
| कॉपर ऑक्साइड |
| कुछ नहीं |
47.कार्बन का कौन-सा अपरूप अधिक कठोर होता है ? |
| ग्रेफाइट |
| हीरा |
| कोयला |
| काजल |
48.सीसा और टीन की मिश्रधातु को कहते हैं ? |
| स्टील |
| उपधातु |
| गन मेटन |
| सोल्डर |
49.#Qकौन-सा अधातु कमरे के ताप पर द्रव होता है ? #Qकौन-सा अधातु कमरे के ताप पर द्रव होता है ? |
| पारा |
| ऐलुमिनियम |
| ब्रोमीन |
| ताँबा |
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