MP Police PC · Science & Simple Arithmetic
Acids, bases, salts, metals and non-metals.
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Q1 · Chemistry Basics · EASY
Which of the following is the chemical formula of common salt (table salt)?
Q2 · Chemistry Basics · EASY
Litmus paper is used to test whether a substance is acidic or basic. What colour does blue litmus paper turn when dipped in an acidic solution?
Q3 · Chemistry Basics · MEDIUM
Which metal does NOT react with dilute hydrochloric acid to produce hydrogen gas?
Q4 · Chemistry Basics · HARD
A solution of pH 5 is mixed with an equal volume of a solution of pH 3. Assuming complete mixing and that both solutions are of strong acids, what is the approximate pH of the resulting mixture?
Q5 · Chemistry Basics · MEDIUM
Which of the following is used as a drying agent in laboratories due to its strong affinity for water?