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Class10

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

ScienceIf a solution does not change either red or blue litmus, which test can give more clarity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceA student tried to identify an unknown solution by touching it in the laboratory. Why is this method wrong?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceHow can onion juice identify a base as an olfactory indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceHow can hibiscus flower extract help in identifying acids and bases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceWhich substance can identify a basic solution as a natural indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy is soil pH testing useful in agriculture?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceIf the pH of soil is very low, what effect can it have on plant growth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy does taking an antacid give relief when acidity increases in the stomach?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich condition is more favourable for the beginning of tooth decay?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy is rinsing the mouth after meals helpful in protecting tooth enamel?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceHow can acid rain damage marble buildings?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy is it proper to store bleaching powder in a dry and closed container?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich is the correct method of preparing bleaching powder?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceThe alkali left in solution during the chlor-alkali process is useful in which industry?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceThe gas formed near the cathode in the chlor-alkali process can be used in which process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceThe gas produced near the anode in the chlor-alkali process can be used for which purpose?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy is an aqueous solution of sodium chloride used in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceSoap produces less lather in hard water. Why does adding washing soda improve lather formation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy does the presence of acid and baking soda together in baking powder make cake fluffy?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy can the sodium carbonate formed on heating baking soda cause a bitter taste?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium