WhatsApp Channel Join Now Telegram Group Join Now Class 10 Science Acids, Bases and Salts online quiz Welcome to your Class 10 Science Acids, Bases and Salts online quiz What do you suggest to a patient suffering from Acidity Lemon juice Vinegar Baking Soda Solution Tamaring juice None The colour of methyl orange in acids is Red Yellow Colourless Pink None The colour of methyl orange in bases is Red Yellow Colours less Pink None The colour of phenolphthalein in acids is Red Yellow Colourless Pink None On dipping a blue litmus paper in an acid, it turns into Blue White Black Red None The colour of phenolphthalein in bases is Red Yellow Colourless Pink None Pickles when stored in metallic vessels , releases ________ gas O₂ CO₂ H₂ N₂ None The gas that is released when ' HCl ' is added to washing soda is O₂ CO₂ H₂ N₂ None NaOH + HCl → NaCl + H₂O is an example of ______ reaction Oxydation Reduction Neutralisation None None Acids when dissolved in water release ______ ions H⁺ OH⁻ Na⁺ None of these None Bases when dissolved in water from _______ ions H⁺ OH⁻ Cl⁻ Br⁻ None The process of dissolving an acid or base in water is _________ Endothermic Exothermic Neutralisation None of these None The PH of a substance is 4. What may be its nature? Acid Base Neutral None None The PH of neutral solutions is _____ > 7 < 7 7 0 None Gastric juice produced in human digestive system is ______ Acidic Basic Neutral None of these None The common nature of tooth paste is Acidic Basic Neutral None of these None Insects like honey-bee inject their secretion into the victims body. What may be the nature of that _____ Acidic Basic Neutral None of these None The molecular formula for bleaching powder is NaCl Na₂CO₃ CaOCl₂ Na OH None The number of water molecules associated with Copper sulphate is 3 4 5 6 None Molecular formula of plaster of paris is Ca SO₄ Ca SO₄ 2H₂O Ca SO₄ 5H₂O Ca SO₄ ½H₂O None Please fill in the comment box below. Time's up
