All Questions
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1
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धातुकर्म क्या है ? इसके विभिन्न चरणों को लिखें। What is metallurgy? Write its various steps.
Chemistry
- asked 1 month ago
- B Butts
1
answers
145
views
1
answers
86
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विद्यत अपघटनी शोधन से आप क्या समझते हैं ? What do you understand by electrolytic refining?
Chemistry
- asked 1 month ago
- B Butts
1
answers
98
views
1
answers
93
views
1
answers
88
views
1
answers
97
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ध्वानिक किसे कहते हैं ? Who is called phonic?
Chemistry
- asked 1 month ago
- B Butts
1
answers
133
views
1
answers
100
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थर्मिट अभिक्रिया क्या है? What is thermit reaction?
Chemistry
- asked 1 month ago
- B Butts
1
answers
127
views
अयस्कों के समृद्धीकरण से क्या तात्पर्य है ? What is meant by enrichment of ores?
Chemistry
- asked 1 month ago
- B Butts
1
answers
106
views
लोहे को जंग से बचाने के दो उपाय बताइए। Mention two ways to protect iron from rusting.
Chemistry
- asked 1 month ago
- B Butts
1
answers
102
views
1
answers
95
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1
answers
110
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1
answers
102
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सोडियम को केरोसीन तेल में डुबोकर क्यों रखा जाता है? Why is sodium kept immersed in kerosene oil?
Chemistry
- asked 1 month ago
- B Butts
1
answers
92
views
कैरेट सोना का क्या अर्थ है ? What is the meaning of karat gold?
Chemistry
- asked 1 month ago
- B Butts
1
answers
72
views
द्विधर्मी ऑक्साइड क्या है? उदाहरण दें। What is a biphasic oxide? Give example.
Chemistry
- asked 1 month ago
- B Butts
1
answers
70
views
आयनिक यौगिकों के गलनांक उच्च क्यों होते हैं ? Why do ionic compounds have high melting points?
Chemistry
- asked 1 month ago
- B Butts
1
answers
71
views
1
answers
74
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आघातवर्ध्यता से क्या समझते हैं ? What do you understand by trauma?
Chemistry
- asked 1 month ago
- B Butts
1
answers
94
views
भर्जन का परिभाषा क्या है ? What is the definition of roast?
Chemistry
- asked 1 month ago
- B Butts
1
answers
76
views
निस्तापन का परिभाषा क्या है ? What is the definition of disposal?
Chemistry
- asked 1 month ago
- B Butts
1
answers
70
views
गैंग का परिभाषा क्या है ? What is the definition of gang?
Chemistry
- asked 1 month ago
- B Butts
1
answers
59
views
अयस्क का परिभाषा क्या है ? What is the definition of ore?
Chemistry
- asked 1 month ago
- B Butts
1
answers
68
views
खनिज का परिभाषा क्या है ? What is the definition of mineral?
Chemistry
- asked 1 month ago
- B Butts
1
answers
75
views
संक्षारण से क्या समझते हैं? What do you understand by corrosion?
Chemistry
- asked 1 month ago
- B Butts
1
answers
60
views
संक्षारण से बचने की तीन विधियों को लिखें। Write three methods of avoiding corrosion.
Chemistry
- asked 1 month ago
- B Butts
1
answers
69
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1
answers
64
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