Question 1. Three substances A,B&C have pH values 1.2.13.2 and 7.1 respectively. Which compound will give hydrogen gas with metals ? Which is a strong base? Which substance will not change the colour of Titmus ? Question 2 Write equation for the following reactions. 1. Metal carbonate + hydrochloric acid II. Metal sulphide + sulphuric acid III. Metal hydroxide + nitric acid IV. Sodium Metal + carbonic acid V. Metal sulphite + phosphoric acid Question 3 Define basicity of an acid and acidity of a base.
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