10th class chemistry unit 8 MCQs
chapter 8 MCQs 10th Class Chemistry Chemical Industries: 1. Chalco-pyrite is an ore of: a. Iron b. Copper c. Aluminium d. Silver 2. The chemical…
10th class chemistry unit 7 MCQs
chapter 7 MCQs 10th Class Chemistry Water: 1. The oceans contain about of total world’s water: a. 95% b. 91% c. 97% d. 93% 2….
10th class chemistry unit 6 MCQs
chapter 6 MCQs 10th Class Chemistry Environment Chemistry The Atmosphere: 1. How many percentage of sunlight is absorbed by atmospheric gases? a. 24% b. 12%…
10th class chemistry unit 5 MCQs
chapter 5 MCQs 10th Class Chemistry Biochemistry: 1. General formula of carbohydrates is: a. Cn(H2O)n b. Cn-1(H2O)n c. Cn(HO)n d. Cn(H2O)n-1 2. Which simple sugar…
10th class chemistry unit 4 MCQs
chapter 4 MCQs 10th Class Chemistry Hydrocarbons: 1. General formula of saturated hydrocarbons is: a. CnH2n b. CnH2n-2 c. CnHn d. CnH2n+2 2. Which of…
10th class chemistry unit 3 MCQs
chapter 3 MCQs 10th Class Chemistry Organic Chemistry: 1. Who prepared the first organic compound urea? a. Dalton b. Wohler c. Jabir bin Hayan d….
10th class chemistry unit 2 MCQs
chapter 2 MCQs 10th Class Chemistry Acid bases and Salts: 1. The conjugate acid of base H2 O is: a. H3O+ b. H+ c. O-2…
10th class chemistry unit 1 MCQs
chapter 1 MCQs 10th Class Chemistry Chemical Equilibrium: 1. In a chemical reaction, the substances which react together are called: a. Equilibrium b. Reactants c….
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