Important formulas and information of science-

1.oxygen—O₂

nitrogen—N

hydrogen—H

Carbon dioxide—CO₂

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Carbon Monoxide—CO

Sulfur dioxide—SO₂

Nitrogen dioxide—NO₂

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Nitrogen Monoxide (Nitric Oxide) — NO

Dinitrogen oxide (nitrous oxide) — N₂O

Chlorine — Cl₂

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Hydrogen Chloride—HCl

Ammonia — NH
acid

Hydrochloric Acid – HCl

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Sulfuric Acid — H₂SO₄

Nitric Acid — HNO₃

Phosphoric acid — H₃PO₄

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Carbonic Acid — H₂CO₃
alkali

sodium hydroxide—NaOH

Potassium hydroxide—KOH

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Calcium hydroxide—Ca(OH)₂
salt

sodium chloride—NaCl

Carbonate sodium—Na₂CO₃

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Calcium Carbonate — CaCO₃

Calcium sulfate — CaSO₄

Ammonium sulfate — (NH₄)₂SO₄

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Nitrate Potassium—KNO₃
Commercial and chemical names of common chemicals
Business Name — IAPUC Name — Molecule Formula

Chalk — Calcium Carbonate — CaCO₃

Grapefruit extract — glucose — C6H₁₂O6
Alcohol — Ethyl 29. Alcohol — C₂H5OH

Caustic potash — potassium hydroxide — KOH

Baking soda — sodium bicarbonate — NaHCO₃

Lime — Calcium Oxide — CaO

Gypsum — calcium sulfate — CaSO₄.2H₂O

tnt — Tri Nitro Tallinn — C6H₂CH₃(NO₂)₃

Washing soda — sodium carbonate — Na₂CO₃

Blueprint — Copper Sulphate — CuSO₄

Nausadar — Ammonium Chloride — NH₄Cl

Alum — Potassium Aluminum Sulphate — K₂SO₄Al₂(SO₄)₃.24H₂O

Quicklime — Calcium Hydroxide — Ca(OH)₂

Starch — C6H10O5

Laughing gas — Nitrous oxide — N₂O

Red medicine — potassium permanganate — KMnO₄

Red vermilion — lead peroxide — Pb₃O₄

Dry ice — solid carbon dioxide — CO₂

Salt – Potassium Nitrate – KNO₃

Vinegar — dilute solution of acetic acid — CH₃COOH

Honey — Borax — Na₂B₄O7.10H₂O

Spirit — Methyl Alcohol — CH₃OH

Slate — Silica Aluminum Oxide — Al₂O₃2SiO₂.2H₂O
50.Green Cassis — Ferric Sulphate — Fe₂(SO₄)

1- [फल/फुल/सब्जी आदि का वैज्ञानिक नाम]

1. Humans—Homo Sapiens
2. Frog-Rana Tigrina
3.Cat—Felis Domestica
4.Dog—Canis Families
5.Cow—Boss Indicus
6.Buffalo-Bubalus Bubalis
7.Bull-Boss Primitive Tarus
8. Goat-Kepta Hitmus
9.Sheep—Ovies Arise
10.Pig—Sussphroca Domestica
11.Lion-Panthera Leo
12.Tiger—Panthera Tigris
13.Cheetah—Panthera pardus
14.Bear—Ursus matitimus carnivora
15.Rabbit—Orictolagus cuniculus
16.Deer—Cervus elaphus
17. Camel-Camelus domedarius
18. Vixen—Canidae
19.Langur-Hominoidea
20. Reindeer-Ruservus Duvaseli
21.Fly—Masca Domestica
22. Mango-Magnifera Indica
23. Paddy-Aurijaya Sativat
24. Wheat-Tricticum Estivium
25. Peas-Pisum Sativium
26.Mustard-Brassica Composteries
27. Peacock—Pavo Christesus
28.Elephant—Ephilas indica
29.DOLPHIN-PLATENISTA GANCATICA
30. Lotus-Nelombo Nucifera Garten
31.Banyan—Ficus bendhalensis
32. Horse—Equus caballus
33. Sugarcane-Sugarense Officinarum
34. Onion-Allium Sepia
35.Cotton-Gascipium
36.Peanuts—Arachis
37.Coffee—Coffea Arabica
38.Tea—Thea Sinensis
39. Grapes—Vitius
40. Turmeric-Curcuma Longa
41. Mecca-Jia Mej
42. Tomato-Lycopresican esculentum
43.Coconut—Cocoa Nucifera
44. Apples—Melus pumicea/domestica
45.Pear—Pyrus Cuminis
46. ​​Saffron-Crocus sativus
47. Cashew-Anacardium aromaticum
48. Carrot-Dakas Carota
49. Ginger-Zingiber Officinale
50. Cauliflower—Brassica auliracea
51.Garlic-Allium ceraivan
52.Bamboo-Bambusa Spa
53. Bajra—Penicetum americanum
54. Red Chili-Capsium Annuum
55. Black Pepper-Piper Nigrum
56 Almonds—Prunus Armenica
57. Cardamom—Eletaria cordemomum
58. Banana—Muja paradisiaca
59. Muli—Raphanus

When the waves move, they carry with them
Ans :- Energy
2.: – Which part of the Sun is visible during a solar eclipse?
Ans :- Kirit
3. :- Used to remove rust stains from clothes

Ans :- -Oxalic Acid
4. :- What causes ‘red rot disease’ in sugarcane?
Ans :- By fungi
5.: – Who invented the television?
Ans :- J. Ale. Baird
6.: – Which type of tissue acts as a protective shield of the body?
Ans :- Epithelium tissue
7.: – Which animal did man first make his pet?
Ans :- Dog
8. :- Which scientist first melted two pieces of ice by rubbing them together?
Ans :- Davy
9 :- Why does diamond appear shiny?
Ans :- Due to mass internal reflection
10. :- What is mainly found in ‘Gobar gas’.
Ans :- Methane
11. :- Which of the following diet provides nutrients for the growth of new tissues in the human body?
Ans :- Paneer
12. :- Which of the following is a flying lizard?
Ans :- Draco
13. :- Which acid is found in grapes?
Ans :- Tartaric acid
14. :- The study of cancer related diseases is called
Ans :- oncology
15. :- Which is the only snake that builds a nest?
Ans :- King Cobra
16. :- Which is the biggest fish found in India?
Ans :- Whale Shark
17. :- Pulses are a good source of
Ans :- Protein
18.: – Why does the fragrance of desi ghee come from?
Ans :- Due to diacetyl
19. :- Which color has more deflection in the rainbow?
Ans :- Red color
20. :- How many colors are there in the sun’s ray?
Ans :- 7
21. :- Who is the inventor of ‘Typewriter’?
Ans :- Shoals
22. :- What is vinegar called in Latin language.
Ans :- Acetum
23.: – Which instrument is used to measure the purity of milk?
Ans :- Lactometer
24.: – Which is the most abundant metal element on earth?
Ans :- Aluminum
25. :- Pearl is mainly made of which material?
Ans :- Calcium Carbonate
26. :- Which element is found in maximum quantity in the human body?
Ans :- Oxygen
27. :- What is the botanical name of mango?
Ans :- Mangifera Indica
28. :- Chicory powder mixed with coffee powder is obtained
Ans :- – From the roots
29. :- What is the best source of ‘Vitamin-C’?
Ans :- Amla
30.: – Who produces the loudest sound?
Ans :- Tiger
31.: – Which is the longest cell in the human body?
Ans :- Nerve cell
32. :- Teeth are mainly made of which material?
Ans :- Dentine
33. :- The shape of which animal is similar to the foot slipper?
Ans :- Paramecium
34. :- In which of the following substances protein is not found?
Ans :- Rice
35. :- Human brain is about how many grams?
Ans :- 1350
36. :- The metal found in blood is
Ans :- Iron
37. :- The accumulation of which acid in the muscles causes fatigue?
Ans :- Lactic acid
38. :- An example of fermentation is
Ans:- Sourness of milk, Formation of edible bread, Sourness of wet flour
39. :- How many eyes does the earthworm have?
Ans :- None
40. :- Carrot is a rich source of which vitamin?
Ans :- Vitamin A

2-Physical quantities Physical quantities Relation to other physical quantities

1. Area Length × Width
2. Volume VolumeLength×Width×Height
3. Mass Density Density Mass/Income
4. Frequency Frequency 1/period
5. Velocity Velocity Displacement/Time
6. Speed ​​Speed ​​Distance/Time
7. Acceleration Acceleration Velocity/Time
8. Force Mass × Acceleration
9. Impulse Impulse Force × Time
10. Work Force × Distance
11. Energy Energy Force × Distance
12. Power Power work/time
13. Momentum Mass × Velocity
14. Pressure Pressure Force/Area
15. stress Stress force/area
16. Deformation Change in Strain Dimension/Original Dimension
17. Elasticity Coefficient of elasticity
18. Surface tension Force/length
19. Surface energy Surface energy Energy/Area
20. Velocity Gradient Velocity Gradient Velocity/Distance
21. Pressure Gradient Pressure Gradient Pressure/Distance
22. Viscosity Coefficient Coefficient of viscosity Force/(Area × Velocity gradient)
23. Angle Angel Arc/Radius
24. Trigonometric ratio Trigonometric ratio length/length
25. Angular velocity Angular velocity Angle/time
26. Angular acceleration Angular acceleration Angular velocity/time
27. Angular momentum Angular moment of inertia × Angular velocity
28. Moment of inertia Moment of inertia mass× (radius of revolution)2
29. Torque Force × Distance
30. Angular frequency Angular frequency 2π × frequency
31. Universal constant of gravity Force× (distance)2/(mass)2
32. Plank’s constant Energy/Frequency
33. Specific heat Specific heat Thermal energy/(mass × heat)
34. heat capacity heat capacity
35. Boltzmann’s constant Boltzmann’s constant Energy/heat
36. Stefan’s constant Stefan’s constant (energy/area × time)/(heat)4
37. Gas constant (pressure × volume)/(mole × temperature)
38. Charge Charge Current × Time
39. potential difference work/charge
40. Resistance Potential difference/current
41. Capacitance Capacity
42. Electric field Electric field
43. Magnetic field Magnetic field force/(electric current×length)
44. Magnetic flux Magnetic flux Magnetic field × Length
45. Inductance Inductance Magnetic Flux/Electric Current
46. Wein’s constant Wavelength × temperature
47. Conductivity Co