Write a letter to the Principal of your school requesting her to introduce books of some
selective genres into the school library
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Sodium hydroxide will turn damp red litmus paper blue. Test for hydroxide ions: ammonia (hydroxide ions form when it comes into contact with water) 1. Take 5 drops of 1.0 mol dm-3 ammonia solution and place on a filter paper and place inside a petri dish with lid. 2.
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refer to the attachment
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