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1
answers
448
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न्यूलैंड के अष्टक सिद्धांत की क्या सीमाएँ हैं ? What are the limitations of Newland's octet theory?
Chemistry
- asked 2 years ago
- B Butts
1
answers
1.6k
views
ईंधन के रूप में एल्कोहल का इस्तेमाल कैसे किया जाता है ? How is alcohol used as a fuel?
Chemistry
- asked 2 years ago
- B Butts
1
answers
1k
views
1
answers
3.7k
views
1
answers
1.3k
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अयस्कों के समृद्धीकरण से क्या तात्पर्य है ? What is meant by enrichment of ores?
Chemistry
- asked 2 years ago
- B Butts
1
answers
547
views
1
answers
1k
views
मिश्रधातु क्या है? किन्ही दो मिश्रधातु का नाम लिखे | What is alloy? Name any two alloys.
Chemistry
- asked 2 years ago
- B Butts
1
answers
1k
views
1
answers
1.3k
views
1
answers
2k
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एनोड पंक क्या है? उदाहरण के साथ समझावें। What is anode punk? Explain with example.
Chemistry
- asked 2 years ago
- B Butts
1
answers
967
views
1
answers
800
views
1
answers
969
views
लोहे को जंग से बचाने के दो उपाय बताइए। Mention two ways to protect iron from rusting.
Chemistry
- asked 2 years ago
- B Butts
1
answers
2.8k
views
साबुन तथा अपमार्जक में अंतर स्पष्ट करे ? Explain the difference between soap and detergent?
Chemistry
- asked 2 years ago
- B Butts
1
answers
492
views
1
answers
2k
views
चार पादप हार्मोन के नाम एवं कार्य लिखिए । Write the names and functions of four plant hormones.
Chemistry
- asked 2 years ago
- B Butts
1
answers
796
views
1
answers
551
views
आयनिक यौगिकों के गलनांक उच्च क्यों होते हैं ? Why do ionic compounds have high melting points?
Chemistry
- asked 2 years ago
- B Butts
1
answers
525
views
कार्बन तत्त्व एक अद्वितीय तत्त्व है। कैसे ? The element carbon is a unique element. How ?
Chemistry
- asked 2 years ago
- B Butts
1
answers
689
views
1
answers
2k
views
1
answers
2k
views
जाइलम और फ्लोएम में अंतर स्पष्ट करे ? Explain the difference between xylem and phloem?
Chemistry
- asked 2 years ago
- B Butts
1
answers
896
views
सोडियम को केरोसीन तेल में डुबोकर क्यों रखा जाता है? Why is sodium kept immersed in kerosene oil?
Chemistry
- asked 2 years ago
- B Butts
1
answers
693
views
1
answers
1.7k
views
थर्मिट अभिक्रिया क्या है? What is thermit reaction?
Chemistry
- asked 2 years ago
- B Butts
1
answers
513
views
समावयवी क्या है ? What is isomer?
Chemistry
- asked 2 years ago
- B Butts
1
answers
1.4k
views
प्रकाश-अपघटन अभिक्रिया से क्या समझते हैं ? What do you understand by photolysis reaction?
Chemistry
- asked 2 years ago
- B Butts
1
answers
787
views
1
answers
775
views
अयस्क का परिभाषा क्या है ? What is the definition of ore?
Chemistry
- asked 2 years ago
- B Butts
1
answers
580
views
संक्षारण से बचने की तीन विधियों को लिखें। Write three methods of avoiding corrosion.
Chemistry
- asked 2 years ago
- B Butts
