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Which among the following compounds is the most reducing compound?
निम्नलिखित में से कौन सा यौगिक सबसे कम करने वाला यौगिक है?
+2🛑 Handwritten Notes : Wave Optics
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Yes,IT IS FREE OF COST 🖤🖤+3✪ Hydrogen Derivatives Notes
➪ Handwritten Notes 🙌
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ᶜᵒᵐᵐᵉⁿᵗ ˢᵃᵛᵉ ˢʰᵃʳᵉ
🔋Chemistry Mnemonics🔋
ACTIVITY SERIES OF METALS
Potassium > Sodium > Calcium > Magnesium > Aluminium > (Carbon) > Zinc > Iron > Tin > Lead > (Hydrogen) > Copper > Mercury > Silver > Gold > Platinum
Mnemonics :
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- Please Stop Calling Me A Careless Zebra Instead Try Learning How Copper Miners Save Gold Pit
Note - that Carbon and Hydrogen are non-metals, used as a baseline
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🔹Approximate percentage of elements in Human body-
• Oxygen - 65%
• Carbon - 18%
• Hydrogen - 10%
• Nitrogen - 3%
• Calcium - 2%
• Phosphorous - 1%
• Potassium - 0.35%
• Sodium - 0.15%
• Chloride - 0.15%
• Magnesium - 0.05%
• Iron - 0.0004%
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Dekho ager tumhre marks top 100 me aaye to.. Classroom test series & regular classroom course bilkul free mil skta haii.. ✔+5🛑 Short Notes : P-block (Group -13) The Boron Family
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Q1:-What is the electronic configuration of hydrogen molecule?
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📐 त्रिकोणमिति : महत्वपूर्ण सूत्र 📐
🔴 योग सूत्र
➭ Sin(A+B) = SinACosB+CosASinB
➭ Sin(A-B) = SinACosB-CosASinB
➭ Cos(A+B) = CosACosB-SinASinB
➭ Cos(A-B) = CosACosB+SinASinB
🔴 अन्तर सूत्र
➭ tan(A+B) = tanA+tanB/1-tanAtanB
➭ tan(A-B) = tanA-tanB/1+tanAtanB
🔴 C-D सूत्र
➭ SinC+SinD = 2Sin(C+D/2) Cos(C-D/2)
➭ SinC-SinD = 2Cos(C+D/2) Sin(C-D/2)
➭ CosC+CosD = 2Cos(C+D/2) Cos(C-D/2)
➭ CosC-CosD = 2Sin(C+D/2) Sin(D-C/2)
➭ CosC-CosD = -2Sin(C+D/2) Sin(C-D/2)
🔴 रूपांतरण सूत्र
➛ 2SinACosB = Sin(A+B)+Sin(A-B)
➛ 2CosASinB = Sin(A+B)-Sin(A-B)
➛ 2CosACosB = Cos(A+B)+Cos(A-B)
➛ 2SinASinB = Cos(A-B)-Cos(A+B)
🔴 द्विक कोण सूत्र
➛ Sin2A = 2SinACosA
➛ Cos2A = Cos²A-Sin²A = 2Cos²-1 = 1-2Sin²A
➛ tan2A = 2tanA/1-tan²A
➛ Sin2A = 2tanA/1+tan²A
➛ Cos2A = 1-tan²A/1+tan²A
🔴विशिष्ट सूत्र
➛ Sin(A+B)Sin(A-B) = Sin²A-Sin²B
= Cos²B-Cos²A
➛ Cos(A+B)Cos(A-B) = Cos²A-Sin²B = Cos²B-Sin²A
🔴 त्रिक कोण सूत्र
➛ Sin3A = 3SinA-4Sin³A
➛ Cos3A = 4Cos³A-3CosA
➛ tan3A = 3tanA-tan³A/1-3tan²A
🔴 महत्वपूर्ण सर्वसमिकाएं
➛ Sin²θ+Cos²θ = 1
➭ Sin²θ = 1-Cos²θ
➭ Cos²θ = 1-Sin²θ
➛ 1+tan²θ = Sec²θ
➭ Sec²θ-tan²θ = 1
➭ tan²θ = Sec²θ-1
➛ 1+Cot²θ = Cosec²θ
➭ Cosec²θ-Cot²θ = 1
➭ Cot²θ = Cosec²θ-1
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