2Pi classes

Mensuration Maths Tricks #02 | Last 10 Years Questions | CBSE Class 10 Previous Years Questions

Mensuration Maths Tricks #01 | Last 10 Years Questions | CBSE Class 10 Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #06 | Class 10 CBSE Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #05 | Class 10 CBSE Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #04 | Class 10 CBSE Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #03 | Class 10 CBSE Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #02 | Class 10 CBSE Previous Years Questions

Arithmetic Progression Last 10 Years Questions 2025-26 #01 | Class 10 CBSE Previous Years Questions

Co-ordinate Geometry Last 10 Years Questions 2025-26 #02 | Previous Years Questions Class 10 Maths

sin θ + cos θ = √3, prove that : tan θ + cot θ = 1

Co-ordinate Geometry Last 10 Years Questions 2025-26 #01 | Previous Years Questions Class 10 Maths

Select the reaction in which Kₚ/Kc is greater than 1 : (a) dissociation of CaCO₃ (b) formation of

The values of Kₚ/Kc for the following reactions at 300 K are respectively : (At 300 K, RT = 24.62 dm

For the reaction ,SO₂ (g) 1/2O₂ (g) ⇌ SO₃ (g),If Kₚ = Kc (RT)ˣ, where the symbols have usual meaning

In the reaction : 2A (g) ⇌ 2B (g) + C (g); Then the initial pressure of the container is 4 atm at

In the reaction : (NH₄)₂CO₃ (s) ⇌ 2NH₃ (g) + CO₂ (g) + H₂O (l); Then total pressure of the container

In the reaction : NH₄HS (s) ⇌ NH₃ (g) + H₂S (g); Then total pressure of the container at equilibrium

In the reaction : CaCO₃ (s) ⇌ CaO (s) + CO₂ (g); The total pressure of the container at equilibrium

Two solids dissociates as follows : A (s) ➞ B (g) + C (g), Kₚ₁ = x atm² D (s) ➞ C (g) + E (g), Kₚ₂

5.1 g NH₄SH is introduced in 3.0 L evacuated flask at 327 °C, 30% of the solid NH₄SH decomposed

Ag+ + NH₃ ⇌ [Ag (NH₃)]+; k₁ = 3.5 × 10-³ [Ag+ (NH₃)]+ + NH₃ ⇌ [Ag (NH₃)₂]+; k₂ = 1.7 × 10-³

Density of equilibrium mixture of N₂O₄ and NO₂ at 1 atm and 348 K is 1.84 g/dm³. (i) Degree of

Density of equilibrium mixture of N₂O₄ and NO₂ at 1 atm and 384 K is 1.84 g/dm³. Calculate the

The vapour density of PCl₅ is 104.16 but when heated to 230 °C, its vapour density is reduced to 62

For an equilibrium H₂O (s) ⇌ H₂O (l) which of the following statements is true ? A) The pressure

Densities of diamond and graphite are 3.5 and 2.3 gm/L respectively. The increase of pressure on

For the reaction : C₂H₅OH (aq) + CH₃COOH (aq) ⇌ CH₃COOC₂H₅ (aq) + H₂O (l) If concentration

One mole of N₂O₄ (g) at 300 K is kept in a closed container under one atmosphere. It is heated to

For the reversible reaction N₂ (g) + H₂ (g) ⇌ 2NH₃ (g) at 500°C, the value of Kₚ is 1.44 × 10-⁵ when

For the reaction PCl₅ (g) → PCl₃ (g) + Cl₂ (g), the forward reaction at constant temperature is