Doubtnut
✔
22.1K subscribers
1.34K photos
138 videos
459 files
3.01K links
Welcome to Doubtnut Channel. Yaha aapko milenge PDFs, notes, latest news aur bohot kuch. Saath hi paaye Instant solutions apne sabhi Doubts ke.Invite karein apne sabhi doston ko - https://t.me/doubtnut
Download Telegram
Oxidation number of gold metal is.
Anonymous Quiz
54%
+1
20%
0
9%
-1
17%
all of these
स्वर्ण धातु की ऑक्सीकरण संख्या होती है
Anonymous Quiz
64%
+1
15%
0
10%
-1
11%
ये सभी
Lanthanoid contraction is due to increase in.
Anonymous Quiz
14%
atomic number
62%
effective nuclear charge
15%
atomic radius
9%
valence electrons
Forwarded from Deleted Account
Abhi Download kare class 12th chemistry, D एवं F-ब्लॉक के तत्व ka solved pdf. https://doubtnut-static.s.llnwi.net/static/book_pdf/7732-books-doubtnut-question-bank.html.pdf
Find the synonym of the following word

Vigorously
Anonymous Quiz
27%
apathetic
27%
steady
38%
actively
7%
dull
Forwarded from Deleted Account
Abhi Download kare class 12th Biology मानव कल्याण में सूक्ष्म जीव ka solved pdf https://doubtnut-static.s.llnwi.net/static/book_pdf/23515-books-doubtnut-question-bank.html.pdf
Which block of elements are known as transition elements?
Anonymous Quiz
14%
p-block
11%
s-block
66%
d-block
8%
f-block
तत्वों के किस ब्लॉक को संक्रमण तत्व के रूप में जाना जाता है?
Anonymous Quiz
22%
पी-ब्लॉक
14%
एस-ब्लॉक
60%
डी-ब्लॉक
4%
एफ-ब्लॉक
Most abundant element in earth’s crust is.
Anonymous Quiz
46%
Si
30%
Al
10%
Zn
14%
Fe
पृथ्वी की पपड़ी में सबसे प्रचुर मात्रा में पाया जाने वाला तत्व है
Anonymous Quiz
52%
Si
20%
Al
14%
Zn
13%
Fe
Antibiotics are the most effective on:
Anonymous Quiz
60%
Bacteria
24%
Virus
12%
Fungi
4%
None of the above
एंटीबायोटिक्स सबसे प्रभावी हैं:
Anonymous Quiz
64%
बैक्टीरिया
23%
वायरस
11%
कवक
3%
उपरोक्त में से कोई नहीं
Which of the following is used as a substrate for alcohol fermentation?
Anonymous Quiz
13%
Maize
24%
Barley
56%
Sucrose
8%
None of the above
अल्कोहल किण्वन के लिए निम्नलिखित में से किसका उपयोग सब्सट्रेट के रूप में किया जाता है?
Anonymous Quiz
12%
मक्का
19%
जौ
61%
सुक्रोज
9%
उपरोक्त में से कोई नहीं
Forwarded from Deleted Account
Abhi Download kare class 12th chemistry, D एवं F-ब्लॉक के तत्व ka solved pdf. https://doubtnut-static.s.llnwi.net/static/book_pdf/7732-books-doubtnut-question-bank.html.pdf
Forwarded from Deleted Account
Abhi Download kare class 12th Biology मानव कल्याण में सूक्ष्म जीव ka solved pdf https://doubtnut-static.s.llnwi.net/static/book_pdf/23515-books-doubtnut-question-bank.html.pdf