2021-08-23 09:41:02
S- BLOCK

TRICK FOR MELTING POINT OF GRUOP - 2

Be> car >sir >Bartan> mange
Be > ca > sr > Ba > Mg

And for GROUP-1

BOTH MELTING point and boiling point follow general trend .

Li > Na > ki > Rb > Cs

Jo CHOTA HOGA ,WO HARD HOGA , AUR HARD HOGA TOH MP & BP JADA HOGA

#ss

More may be soon

1.6K viewsedited 06:41

ओपन / कमेंट

2021-08-22 19:56:49

Doubtnut ke Study Channels par ab sirf Instant doubt solving hi nahi
Milenge PDFs , Latest News , Previous Year Papers , Free Live Classes & aur bhi bhot kuch

Abhi join karein Doubtnut , Official Telegram Channel ko!!

Doubnut Official Channel
➤ https://t.me/Doubtnut

Doubtnut NEET
➤ https://t.me/Doubtnut_NEET

2.1K views16:56

ओपन / कमेंट

2021-08-22 06:45:55 Commercial and chemical names of common chemicals

✺ Business Name
➭ IUPAC Name
➛ molecule formula

✺ chalk
➭ calcium carbonate
➛ CaCO₃

grape extract
➭ glucose
➛ C6H₁₂O6

✺ Alcohol
➭ ethyl
➛ C₂H5OH

✺ Caustic Potash
➭ potassium hydroxide
➛ KOH

4 Eating Soda
➭ sodium bicarbonate
➛ NaHCO₃

4 lime
➭ calcium oxide
➛ CaO

✺ Gypsum
➭ calcium sulfate
➛ CaSO₄.2H₂O

✺ tnt
Tri Nitro Tallinn
➛ C6H₂CH₃ (NO₂) ₃

✺ washing soda
➭ sodium carbonate
➛ Na₂CO₃

✺ blue blue
copper sulphate
➛ CuSO₄

✺ saline
➭ ammonium chloride
➛ NH₄Cl

✺ alum
➭ potassium aluminum sulfate
➛ K₂SO₄Al₂ (SO₄) ₃.24H₂O

Extinguished lime
➭ calcium hydroxide
➛ Ca (OH) ₂

Om Mand
4 starch
➛ C6H10O5

✺ Laughing Gas
➭ nitrous oxide
➛ N₂O

✺ red medicine
➭ potassium permanganate
➛ KMnO₄

✺ red vermilion
➭ lead paraxide
➛ Pb₃O₄

✺ dry ice
➭ solid carbon dioxide
➛ CO₂

Om Shora
➭ potassium nitrate
➛ KNO₃

✺ vinegar
Acetic acid dilute solution
➛ CH₃COOH

✺ icing
➭ borax
➛ Na₂B₄O7.10H₂O

✺ spirit
➭ Methyl Alcohol
➛ CH₃OH

✺ slate
➭ silica aluminum oxide
➛ Al₂O₃2SiO₂.2H₂O

✺ green case
➭ ferric sulfate
➛ Fe₂ (SO₄) ₃

1.0K viewsedited 03:45

ओपन / कमेंट

2021-08-21 20:24:44

Doubtnut ke Study Channels par ab sirf Instant doubt solving hi nahi
Milenge PDFs , Latest News , Previous Year Papers , Free Live Classes & aur bhi bhot kuch

Abhi join karein Doubtnut , Official Telegram Channel ko!!

Doubnut Official Channel
➤ https://t.me/Doubtnut

Doubtnut NEET
➤ https://t.me/Doubtnut_NEET

1.4K views17:24

ओपन / कमेंट

2021-08-20 19:30:05

Doubtnut ke Study Channels par ab sirf Instant doubt solving hi nahi
Milenge PDFs , Latest News , Previous Year Papers , Free Live Classes & aur bhi bhot kuch

Abhi join karein Doubtnut , Official Telegram Channel ko!!

Doubnut Official Channel
➤ https://t.me/Doubtnut

Doubtnut NEET
➤ https://t.me/Doubtnut_NEET

572 views16:30

ओपन / कमेंट

2021-08-20 16:44:47 WAVES:
https://drive.google.com/drive/folders/1y2tAyB9qAoA7FSJEymxiOGiawq-sXEQy?usp=sharing

SHM:
https://drive.google.com/drive/folders/1YfCA4OfvCVmJ93hgPXth8WvgImIp0Nxk?usp=sharing

Properties Of Matter:
https://drive.google.com/drive/folders/1Bi6nxAUOgMmkiXJKyA4SHN04qBBruvEA?usp=sharing

Fluid Mechanics:
https://drive.google.com/drive/folders/1nq51k4ftV8Na7V55FA6hkyS-uEBK3ifp?usp=sharing

Heat & Thermo:
https://drive.google.com/drive/folders/1D4moFvQhsUGl985HeSw2rLde-xHBXRUQ?usp=sharing

2.1K views13:44

ओपन / कमेंट

2021-08-19 12:19:34 Important points

RBC :-
Protein - 52%
Lipid - 40%

Cell (mass %) :-
Water - 70-90%
Protein - 10-15%
Nucleic acid - 5-7%
Carbohydrate - 3%
Lipid - 2%
Ion - 1%

🅂🄷🄰🅁🄴 🅆🄸🅃🄷 🅈🄾🅄🅁 🄵🅁🄸🄴🄽🄳🅂

3.4K views09:19

ओपन / कमेंट

2021-08-18 19:30:10

Doubtnut ke Study Channels par ab sirf Instant doubt solving hi nahi
Milenge PDFs , Latest News , Previous Year Papers , Free Live Classes & aur bhi bhot kuch

Abhi join karein Doubtnut , Official Telegram Channel ko!!

Doubnut Official Channel
➤ https://t.me/Doubtnut

Doubtnut NEET
➤ https://t.me/Doubtnut_NEET

4.1K views16:30

ओपन / कमेंट

2021-08-18 11:15:41 Mnemonics

FUNCTION OF SERTOLIC CELLS

BIMA PENS

1) B- blood testis barrier .
2) I - inhibits hormone secretion (FSH).
3) M- mullerian inhibiting substance .
4) A - androgen binding protein synthesis .
.

5) P- phagocytosis of dead or abnormal sperm.
6) E - estrogen synthesis .
7) N- nourishment of sperm
8) S - spermiation .

3.8K views08:15

ओपन / कमेंट

2021-08-17 18:07:59

Doubtnut ke Study Channels par ab sirf Instant doubt solving hi nahi
Milenge PDFs , Latest News , Previous Year Papers , Free Live Classes & aur bhi bhot kuch

Abhi join karein Doubtnut , Official Telegram Channel ko!!

Doubnut Official Channel
➤ https://t.me/Doubtnut

Doubtnut NEET
➤ https://t.me/Doubtnut_NEET

883 views15:07

ओपन / कमेंट