Download PDF Class 10 Chemistry — Chapter 1: History of Chemistry Federal Board 1. Multiple Choice Questions (MCQs) i. What is the principle of conservation of mass? (a) Mass is created during a chemical reaction.(b) Mass is destroyed during a chemical reaction.(c) Mass remains constant during a chemical reaction.(d) Mass can be converted into…
Download PDF Class 10 Chemistry — Chapter 26: Polymers A. Multiple Choice Questions 1. Which of the following is a synthetic polymer? (a) Starch(b) Cellulose(c) Animal fat(d) Polyester Correct Answer: (d) Polyester 2. Which polymer has an amide linkage? (a) Polyester(b) Polyamide(c) Polythene(d) Polystyrene Correct Answer: (b) Polyamide 3. Identify an ester linkage. (a)…
Download PDF Class 10 Chemistry — Chapter 25: Biochemistry A. Multiple Choice Questions 1. Which functional groups are present in fructose? (a) Hydroxyl and aldehyde(b) Hydroxyl and ketone(c) Hydroxyl and ester(d) Hydroxyl and amide Correct Answer: (b) Hydroxyl and ketone 2. Which functional group is present in a fat? (a) Carboxyl group(b) Ester group(c)…
Download PDF Class 10 Chemistry — Chapter 24: Carboxylic Acids A. Multiple Choice Questions 1. Identify the ester functional group. (a) −COOR(b) −COOH(c) >C=O(d) −CH₂−OH Correct Answer: (a) −COOR 2. During the oxidation of ethanol by acidified KMnO₄, which element is reduced? (a) K(b) O(c) Mn(d) H Correct Answer: (c) Mn 3. Fermentation of…
Download PDF Class 10 Chemistry — Chapter 23: Monohydroxy Alkanes or Alcohols Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 23.1 Which conditions are best for the fermentation of glucose? (a) 35°C, fresh yeast, absence of oxygen(b) 45°C, yeast(c) 45°C, absence of oxygen(d) 35°C, fresh yeast Correct Answer: (a) 35°C, fresh yeast,…
Download PDF Class 10 Chemistry — Chapter 22: Hydrocarbons Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 22.1 Which of the following compounds is expected to give an addition reaction? (a) CH₃−CH₃(b) CH₂=CH₂(c) CH₄(d) CH₃−CH₂−CH₃ Correct Answer: (b) CH₂=CH₂ 22.2 Which of the following is not used as a fuel? (a) LPG(b)…
Download PDF Class 10 Chemistry — Chapter 21: Organic Chemistry Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 21.1 Choose the correct IUPAC name for the compound CH₂=CH−CH₂−CH₃. (a) But-3-ene(b) But-1-ene(c) But-2-ene(d) Butene Correct Answer: (b) But-1-ene 21.2 Select a branched-chain compound. (a) CH₂=CH−CH₂−CH₃(b) CH₂=C(CH₃)−CH₂−CH₃(c) CH₃−CH=CH−CH₃(d) CH₃−CH=CH−CH₂−CH₃ Correct Answer: (b) CH₂=C(CH₃)−CH₂−CH₃ 21.3…
Download PDF Class 10 Chemistry — Chapter 20: Water Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 1. The pH of distilled water is: (a) 6.5(b) 8.5(c) 7(d) 7.5 Correct Answer: (c) 7 2. The unpleasant odours in water can be removed by: (a) Adding chlorine(b) Treating it with activated charcoal(c) Sedimentation(d)…
Download PDF Class 10 Chemistry — Chapter 19: Nitrogen and Sulphur Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 1. The reason for maintaining a higher temperature for the production of ammonia is: (a) Activation energy of the reaction is very high(b) Activation energy of the reaction is very low(c) Nitrogen and hydrogen…
Download PDF Class 10 Chemistry — Chapter 18: Salts Quran Education PointBoard: Punjab Board A. Multiple Choice Questions (MCQs) 1. Which base is not soluble in water? (a) KOH(b) Mg(OH)₂(c) NaOH(d) Na₂CO₃ Correct Answer: (b) Mg(OH)₂ 2. The shape of the crystal of NaCl is: (a) Cubic(b) Hexagonal(c) Rhombic(d) Trigonal Correct Answer: (a) Cubic…
