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(a) Ammonia is found in many household products such as window cleaners. What is its nature? What is the colour change of a litmus paper when it is dipped in ammonia solution? (b) Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain. [2 MARKS] |
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Answer» (a) Ammonia is found in many household products such as window cleaners. What is its nature? What is the colour change of a litmus paper when it is dipped in ammonia solution? |
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