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Class 10 · Science
→What main substances are formed in the reaction between an acid and a base?
Class 10 · Science
→Why can excess carbon dioxide remove the milkiness of lime water?
Class 10 · Science
→Milkiness of lime water occurs due to formation of which substance?
Class 10 · Science
→The gas released by reaction of an acid with carbonate turns lime water milky. Which gas is it?
Class 10 · Science
→How is the gas formed by reaction of an acid with an active metal identified?
Class 10 · Science
→What nature is indicated by violet colour in universal indicator?
Class 10 · Science
→What nature is indicated by red colour in universal indicator?
Class 10 · Science
→What colour does universal indicator show in a neutral solution?
Class 10 · Science
→What is the usual pH of a neutral solution?
Class 10 · Science
→A solution with pH 9 will be considered what type of solution?
Class 10 · Science
→A solution with pH 5 will be considered what type of solution?
Class 10 · Science
→In a solution red litmus turns blue and turmeric becomes reddish-brown. What is the nature of the solution?
Class 10 · Science
→If blue litmus turns red in a colourless solution, which ion is likely to be in excess in that solution?
Class 10 · Science
→Why should acids or bases not be identified by taste in a laboratory?
Class 10 · Science
→Why does aqueous sodium chloride conduct electricity even though it is neutral?
Class 10 · Science
→If a solution conducts electricity, what may be present in it?
Class 10 · Science
→In which direction does pH move when water is added to a basic solution?
Class 10 · Science
→In which direction does pH move when water is added to an acidic solution?
Class 10 · Science
→Why can acid rain be harmful to aquatic organisms?
Class 10 · Science
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