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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।

ScienceWhat is the main purpose of keeping toothpaste mildly basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is a mouth pH below 5.5 harmful in relation to tooth decay?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is milk of magnesia useful for relieving stomach acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceHow does an antacid provide relief during excess acidity in the stomach?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceIf acid is added to a basic solution, in which direction will its pH generally move?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceIf a base is slowly added to an acidic solution, what generally happens to its pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy do the effects of acid and base decrease in a neutralisation reaction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceHow does sodium chloride form in the reaction of hydrochloric acid and sodium hydroxide?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy does effervescence occur when acid is added to sodium hydrogen carbonate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich products are likely to form when sodium carbonate reacts with dilute acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceHow is the gas formed in the reaction of an acid and metal carbonate identified?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceIn the general reaction of an acid and a metal, what forms along with salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhat is the correct identification of the gas formed when zinc reacts with dilute hydrochloric acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceThe slow addition of acid to water is related to which energy change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy can adding water to acid be dangerous while diluting acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhat is the role of hydroxide ions in showing basic properties?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy must an acid dissolve in water to show its acidic properties?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy does dry hydrogen chloride gas not turn dry blue litmus paper red?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceOnion smell remains in one solution and decreases in another. What is the usual nature of the solution in which the smell decreases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceA drop of a solution made turmeric paper reddish-brown. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium