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𝐒𝐔𝐏𝐏𝐎𝐑𝐓 & 𝐒𝐇𝐀𝐑𝐄 𝐨𝐮𝐫 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐜𝐨𝐧𝐭𝐞𝐧𝐭
𝓝𝓞 𝓟𝓡𝓞𝓜𝓞𝓢 𝓒𝓞𝓝𝓣𝓔𝓝𝓣 𝓞𝓝𝓛𝓨
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The latest Messages 3
2021-12-07 16:23:26
3.2K voters6.6K views13:23
2021-12-06 18:44:43
New update by CBSE
4.0K views15:44
2021-12-06 15:19:31
Answer key maths
6.7K viewsedited 12:19
2021-12-04 15:02:35
6.6K views12:02
2021-12-03 16:12:08
Answer key for Today's English exam
8.6K views13:12
2021-12-02 19:42:41
3.8K viewsedited 16:42
2021-12-02 15:13:22
Ready for today's quiz question?
8.2K views12:13
2021-12-01 11:55:29
SUMMARY OF HUMAN PHYSIOLOGY
✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓
Number of Muscles 639
Number of Kidneys 2
Number of Milk Teeth 20
Number of Ribs 24 (12 pair)
Number of Heart Chamber 4
Largest artery Aorta
Normal blood pressure
120/80mmHg
Ph of Blood 7.4
Number of vertebrae in the Spine 33
Number of vertebrae in the Neck 7
Number of Bones in Middle Ear 6
Number of Bones in Face 14
Number of Bones in Skull 22
Number of Bones in Chest 25
Number of Bones in Arms 6
Number of Muscles in Human Arm 72
Number of Pumps in Heart 2
Largest Organ Skin
Largest gland Liver
Biggest cell female Ovum
Smallest cell male Sperm
Smallest Bone Stape
First transplanted Organ Heart
Average length of Small Intestine 7m
Average length of Large Intestine 1.5m
Average weight of new Born baby 2.6kg
Pulse rate in One Minute 72 times
Normal body temperature 37 C° (98.4 F°)
Average Blood Volume 4 to 5 liters
Life Span of RBC 120 days
Life Span of WBC 13to 20 days
Pregnancy Period 280 days (40 week)
Number of Bones in Human Foot 33
Number of Bones in Each wrist 8
Number of Bones in Hand 27
Largest Endocrine gland Thyroid
Largest Lymphatic Organ Spleen
Largest part of Brain Cerebrum
Largest & Strongest Bone Femur
Smallest Muscle Stapedius (Middle Ear)
Number of Chromosome 46 (23 pair)
Number of Bones in new Born baby 306
Viscosity of Blood 4.5 to 5.5
Universal Donor Blood Group O
Universal Recipient Blood Group AB
Largest WBC Monocyte
Smallest WBC Lymphocyte lb
Increase RBC count called Polycethemia
Blood Bank in the Body is Spleen
Non Nucleated Blood cell is RBC
RBC produced in the Bone Marrow
River of Life is Called Blood
Normal Blood Cholesterol level 250mg/dl
Fluid part of Blood is Plasma
Normal Blood Sugar 100mg
4.7K views08:55
2021-11-28 20:36:15
INORGANIC IN SHOTS
Increasings or Decreasing Order
01. Melting point=
Li > Na > K > Rb > Cs
02. Colour of the flame=
Li-Red, Na-Golden, K-Violet, Rb-Red, Cs-Blue, Ca-Brick red, Sr-Blood red, Ba-Apple green
03. Stability of hydrides =
LiH > NaH > KH > RbH> CsH
04. Basic nature of hydroxides=
LIOH < NaOH < KOH < RbOH < CsOH
05. Hydration energy=
Li> Na > K> Rb > Cs
06.) Reducing character=
Li > Cs > Rb > K > Na
07. Stability of +3 oxidation state=
B> Al > Ga > In > T1
08. Stability of +1 oxidation state= Ga < In < TI
09. Basic nature of the oxides and hydroxides=
B< Al< Ga < In < TI
10. Relative strength of Lewis acid= BF3 < BCl3 < BBr3 < BI3
11. Ionisation energy=
B> Al In SiO2 > Ge02 > SnO2 > PbO2
15. Reducing nature of hydrides=
CH4 < SiH4 < GeH4 < SnH4 < PbH4
16. Thermal stability of tetrahalides=
CCl4> SiCl4> GeCl4> SnCl4 > PbCl4
17. Oxidising character of M+4 species=
GeCl4 < SnCl4 < PbCl4
18. Ease of hydrolysis of tetrahalides=
SiCl4 < GeCl4 < SnCl4 < PbCI4
19. Acidic strength of trioxides=
N203 > P2O3 > As2O3
20. Acidic strength of pentoxides=
N2O2 > P2O2> As202 > Sb2O2 > Bi202
21) Acidic strength of oxides of nitrogen=
N2O < NO PH3 > AsH3 > SbH3 > BiH3
23. Stability of trihalides of nitrogen=
NF3 > NCl3 > NBr3
24.Lewis base strength=
NF3 PCI3 > AsCl3 > SbCl3 > BiCl3
26.Lewis acid strength of trihalides of P, As, and Sb=
PCl3 > ASCl3 > SbCl3
27. Lewis acid strength among phosphorus trihalides
PF3 > PCl3 > PBr3 > PI3
(28) Melting and boiling point of hydrides=
H2O > H2Te > H2Se >H2S
29. Volatility of hydrides=
H2O < H2Te < H2Se < H2S
30. Reducing nature of hydrides=
H2S < H2Se < H2Te
31. Covalent character of hydrides=
H2O < H2S < H2Se < H2Te
32. The acidic character of oxides (elements in the same oxidation state)=
SO2 > SeO2 > TeO2 > PoO2
SO3 > SeO3 > TeO3
33. Acidic character of oxide of a particular element (e.g. S)=
SO < SO2 < SO3
SO2 > TeO2 > SeO2 > PoO2
34. Bond energy of halogens=
Cl2 > Br2 > F2 > I2
35. Solubility of halogen in water =
F2 > Cl2 > Br2 > I2
36. Oxidising power=
F2 > Cl2 > Br2 > I2
37. Enthalpy of hydration of X ion=
F- > Cl- > Br- >I-
38. Reactivity of halogens:=
F> Cl> Br > I
39. Ionic character of M-X bond in halides
= M-F > M-Cl > MBr > M-I
40. Reducing character of X ion:=
I- > Br- > Cl- > F-
41. Acidic strength of halogen acids=
HI > HBr > HCI > HF
42 Reducing property of hydrogen halides
= HF < HCL < HBr < HI
43. Oxidising power of oxides of chlorine
= Cl2O > ClO2 > Cl206 > Cl2O7
44. Decreasing ionic size=
02- > F- > Na+ > Mg2+
45 Increasing acidic property=
Na2O3 < MgO < ZnO< P205
46 Increasing bond length=
N2 <02 < F2 < CL2
47 Increasing size=
Ca2+ < Cl- < S2-
48 Increasing acid strength=
HClO < HClO2 < HClO3 < HClO4
2.0K views17:36
2021-11-27 12:30:19
Trigonometric Ratio Trick -
Pandits Badri Prasad, Har Har Bole, Sona Chandi Tole
P/H = Sin, B/H = Cos, P/B = Tan
Trigonometric Signs in Quadrants Trick -
All Silver Tea Cups
Quadrant 1 - All Positive
Quadrant 2 - sin positive, therefore cosec
Quadrant 3 - tan positive, therefore cot
Quadrant 4 - cos positive, therefore sec
1.3K views09:30
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