UPSC CDS/OTA

Acids, Bases and Salts

General Studies

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Acids, Bases and Salts

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Questions

30

Time

30 min

Marks

30

Solutions

All inline

Q1Consider the following statements: 1. All acids turn blue litmus red. 2. All bases turn red litmus blue. Which of the above statements is/are correct?MediumSolve →Q2Which of the following is a strong acid?MediumSolve →Q3Which of these is not an example of a salt?MediumSolve →Q4The pH of a neutral solution at 25°C is:MediumSolve →Q5Which of these salts is used to remove the hardness of water?MediumSolve →Q6Consider the following: 1. Lemon juice contains citric acid. 2. Vinegar contains formic acid. Which is/are correct?MediumSolve →Q7Which one of the following is an example of an alkali?MediumSolve →Q8Which gas is released when an acid reacts with a metal carbonate?MediumSolve →Q9Milk of magnesia is chemically:MediumSolve →Q10Which is a basic salt?MediumSolve →

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