[{"id":267202,"question":"Acidic Acid is used for","choices":[{"text":"Cleaning metal","value":"A"},{"text":"Etching designs","value":"B"},{"text":"Flavouring food","value":"C"},{"text":"Making explosives","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267201,"question":"A base is a substance which neutralizes an acid. Which of these substances is not aa base.","choices":[{"text":"Aqueious ammonia","value":"A"},{"text":"Calcium oxide","value":"B"},{"text":"sodium Chloride","value":"C"},{"text":"Sodium carbonate","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267200,"question":"When a chemical reaction is carried out with a substancZ; a gas is produced which turns red litmus paper blue. What is the reaction?","choices":[{"text":"Reaction of an acid with a meal carbonate","value":"A"},{"text":"Reactin of an alkali with ammonium salt","value":"B"},{"text":"Reaction of an acid with ammonium salt","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267199,"question":"Which of the following contains oxalic acid","choices":[{"text":"Orange","value":"A"},{"text":"Sour Milk","value":"B"},{"text":"Tomato","value":"C"},{"text":"Tamarind","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267198,"question":"Which compound formed when SO2 is dissolved in water","choices":[{"text":"H2SO3","value":"A"},{"text":"SO3","value":"B"},{"text":"H2SO","value":"C"},{"text":"H2S2O7","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267197,"question":"Which acid is used in he preparation of soaf.","choices":[{"text":"Oxalic Acid","value":"A"},{"text":"Citric Acid","value":"B"},{"text":"Stearic Acid","value":"C"},{"text":"Tartaric Acid","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267196,"question":"In a neutralization reaction between KOH and H3PO4how many molecules of KOH will react with one molecule of H3PO4","choices":[{"text":"1","value":"A"},{"text":"2","value":"B"},{"text":"3","value":"C"},{"text":"4","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267195,"question":"How many hydroxide ions, calium hydroxide will release in water.","choices":[{"text":"2","value":"A"},{"text":"1","value":"B"},{"text":"3","value":"C"},{"text":"zero","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267194,"question":"Predict themain characteristics of the reactions of metals with acids.","choices":[{"text":"Metals are dissolved","value":"A"},{"text":"Hydrogen gas is envolved","value":"B"},{"text":"Metals are coverted into salts","value":"C"},{"text":"All the above mentioned characteristics are true","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267193,"question":"While baking which gas is responsible for raising the bread and making it soft?","choices":[{"text":"Oxygen","value":"A"},{"text":"Carbon monoxide","value":"B"},{"text":"Carbon di oxide","value":"C"},{"text":"Nitrogen","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267192,"question":"Which acid is not used as a food or mixed with food?","choices":[{"text":"Tartaric Acid","value":"A"},{"text":"Formic Acid","value":"B"},{"text":"Ascorbic acid","value":"C"},{"text":"Citric Acid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267191,"question":"Which compound is used a thinner is paint industry?","choices":[{"text":"H2O","value":"A"},{"text":"C2H3OH","value":"B"},{"text":"CH3COOC2H5","value":"C"},{"text":"CH3COOH","value":"D"},{"value":"E"}],"correctAnswer":3}]