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Ph Paper

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceIn a solution, pH paper becomes deep red and blue litmus turns red. What is the safest conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceWhy is it scientifically wrong to judge an unknown solution as acid or base only by its colour?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceWhy can it be wrong to decide whether a colourless solution is an acid or a base just by looking at it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15MediumScienceWhy is it not correct to identify a colourless solution as acid or base only by looking at it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceA question asks to identify an acid or base only by taste. What is the correct exam-based response?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceA question says acids and bases should be identified only by colour. What is the most correct exam-based answer?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceA question suggests using only taste to identify acids, bases, and salts. What is the most correct response from an exam point of view?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy