Chemistry 10TH MCQs Past Paper Sargodha Board 2022 QUIZ Leave a Comment / Education / By Majid Ali Chemistry 10TH MCQs Past Paper Sargodha Board 2022 QUIZ 1 / 12 1- For reaction between PCl₃ and Cl₂ to form PCl₅ the units of Kc are: (A) mol dm³ (B) mol⁻¹ dm³ (C) mol² dm⁻³ (D) mol dm⁻¹ 2 / 12 2- The conjugate acid of HPO₄²⁻ is: (A) PO₄³⁻ (B) H₂PO₄⁻ (C) H₃PO₄ (D) H₄PO₄ 3 / 12 3- General formula of alkyl radical is: (A) CₙH₂ₙ₊₂ (B) CₙH₂ₙ₋₂ (C) CₙH₂ₙ₊₁ (D) CₙH₂ₙ 4 / 12 4- Coal gas is mixture of: (A) CO and CH₄ (B) CO₂, CH₄ and CO (C) CO, CH₄ and H₂ (D) CO, H₂ and CO₂ 5 / 12 5- A hydrocarbon has molecular formula of C₅H₁₂ - What is the molecular formula of the next member of same homologous series? (A) C₆H₁₄ (B) C₇H₁₆ (C) C₈H₁₈ (D) C₆H₁₂ 6 / 12 6- Night blindness is because of deficiency of: (A) Vitamin A (B) Vitamin E (C) Vitamin C (D) Vitamin D 7 / 12 7- Percentage amount of Argon in Air: (A) 78.09% (B) 20.94% (C) 0.93% (D) 0.03% 8 / 12 8- Normally rain water is weakly acidic because of: (A) SO₂ gas (B) CO₂ gas (C) SO₃ gas (D) NO₂ gas 9 / 12 9- Just above the Earth's surface is: (A) Mesosphere (B) Stratosphere (C) Thermosphere (D) Troposphere 10 / 12 10- Temporary hardness is because of: (A) Ca(HCO₃)₂ (B) CaCO₃ (C) MgSO₄ (D) NaCl 11 / 12 11- Which one of the following gas is used to destroy harmful bacteria in water? (A) Iodine (B) Chlorine (C) Fluorine (D) Bromine 12 / 12 12- Crude oil is heated in furnace upto: (A) 300°C (B) 350°C (C) 400°C (D) 450°C Your score isThe average score is 0% 0% Restart quiz Related posts: Alkanes: Properties, Reactions, and Applications or uses || 10th Chemisrtry 10th Class Chemistry Past Paper MCQs FAISALABAD 2022 BOARD 10th Paper Chemistry Understanding Alkenes: Key Concepts, Reactions, and Properties (10th Chemistry)