Class 10 Science Mcq upendersingha@gmail.com August 19, 2024 0 Comments Acid Base and Salts Mcq’s Acid Base and Salts Mcq's 1 / 10 Which substance is used in fire extinguishers to put out grease fires? Baking soda Plaster of Paris Bleaching powder Calcium carbonate 2 / 10 How is Plaster of Paris prepared? By reacting calcium hydroxide with sulfuric acid By heating gypsum to remove water By reacting calcium carbonate with hydrochloric acid By reacting calcium chloride with sodium carbonate 3 / 10 What is the chemical formula for bleaching powder? NaOCl CaSO4 CaOCl2 CaCO3 4 / 10 Which process is commonly used to prepare bleaching powder? Reacting calcium hydroxide with chlorine gas Reacting calcium carbonate with sulfuric acid Neutralizing hydrochloric acid with calcium carbonate Reacting calcium oxide with water 5 / 10 Which of the following salts is used in the softening of hard water? Sodium chloride Sodium carbonate Sodium carbonate Potassium chloride 6 / 10 Which of the following acids is used in the preparation of fertilizers? Nitric acid Hydrochloric acid Sulfuric acid Acetic acid 7 / 10 Which of the following indicators would turn yellow in a basic solution? Methyl orange Bromothymol blue Phenolphthalein Litmus 8 / 10 What is the main constituent of baking powder? NaOH H2SO4 CaCO3 NaHCO3 9 / 10 Which gas is released when an acid reacts with a metal? Oxygen Hydrogen Carbon dioxide Chlorine 10 / 10 What is the chemical formula for washing soda? Na2CO3.10H2O NaHCO3 CaCO3.5H2O NaCl Your score isThe average score is 40% 0% Restart quiz
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