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All Questions
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answers
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सोडियम को केरोसीन तेल में डुबोकर क्यों रखा जाता है? Why is sodium kept immersed in kerosene oil?
Chemistry
- asked 3 years ago
- B Butts
1
answers
40
views
1
answers
23
views
समस्थानिक तथा समभारिक में अंतर स्पष्ट करे ? Explain the difference between isotopes and isotopes?
Chemistry
- asked 4 years ago
- B Butts
1
answers
35
views
1
answers
25
views
सिरका क्या है ? इसके उपयोगों को लिखें। What is vinegar? Write its uses.
Chemistry
- asked 3 years ago
- B Butts
1
answers
22
views
उत्कृष्ट गैसों को अलग समूह में क्यों रखा गया है ? Why are noble gases placed in a separate group?
Chemistry
- asked 3 years ago
- B Butts
1
answers
33
views
1
answers
23
views
द्विधर्मी ऑक्साइड क्या है? उदाहरण दें। What is a biphasic oxide? Give example.
Chemistry
- asked 3 years ago
- B Butts
1
answers
28
views
लोहे की वस्तओं को हम क्यों पेंट करते हैं ? Why do we paint iron objects?
Chemistry
- asked 3 years ago
- B Butts
1
answers
28
views
न्यूलैंड के अष्टक सिद्धांत की क्या सीमाएँ हैं ? What are the limitations of Newland's octet theory?
Chemistry
- asked 3 years ago
- B Butts
1
answers
29
views
1
answers
25
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लिटमस विलयन के बारे में आप क्या जानते हैं ? What do you know about litmus solution?
Chemistry
- asked 3 years ago
- B Butts
1
answers
33
views
1
answers
35
views
1
answers
24
views
आघातवर्थ्य तथा तन्य का अर्थ बताइए। State the meaning of malleable and ductile.
Chemistry
- asked 3 years ago
- B Butts
1
answers
17
views
निस्तापन का परिभाषा क्या है ? What is the definition of disposal?
Chemistry
- asked 3 years ago
- B Butts
1
answers
20
views
प्रतिस्थापन अभिक्रिया क्या हैं ? What are substitution reactions?
Chemistry
- asked 3 years ago
- B Butts
1
answers
27
views
1
answers
28
views
1
answers
33
views
1
answers
22
views
संक्षारण से बचने की तीन विधियों को लिखें। Write three methods of avoiding corrosion.
Chemistry
- asked 3 years ago
- B Butts
1
answers
27
views
उत्प्रेरक से आप क्या समझते हैं ? What do you understand by catalyst?
Chemistry
- asked 3 years ago
- B Butts
1
answers
26
views
गैंग का परिभाषा क्या है ? What is the definition of gang?
Chemistry
- asked 3 years ago
- B Butts
1
answers
23
views
लाल रक्त कण ऑक्सीजन वाहक हैं, कैसे?
Chemistry
General Awareness
- asked 4 years ago
- B Butts
1
answers
22
views
अधातु के दो गुणधर्मों को लिखें। Write two properties of non-metals.
Chemistry
- asked 3 years ago
- B Butts
1
answers
23
views
धातुओं का परिष्करण से क्या तात्पर्य है ? What is meant by refining of metals?
Chemistry
- asked 3 years ago
- B Butts
1
answers
20
views
वियोजन अभिक्रिया से आप क्या समझते हैं ? What do you understand by decomposition reaction?
Chemistry
- asked 3 years ago
- B Butts

