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

ScienceIf an aqueous solution of a substance tastes sour and turns blue litmus red, which category does it belong to?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11EasyScienceA turmeric stain becomes reddish brown when soap is applied. This indicates which nature of soap?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceOlfactory indicators give signals in acids and bases based on what change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhat is the safe method for diluting concentrated acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy does the container become hot when acid is dissolved in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhen can acid rain water be more harmful to aquatic organisms?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy are marble statues damaged by acid rain?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceAn aqueous sugar solution does not make a bulb glow, while an acidic solution does. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceBetween equal concentration solutions of hydrochloric acid and ethanoic acid, which will have higher electrical conductivity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhich statement about a strong acid and a concentrated acid is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumSciencePlaster of Paris is formed by controlled heating of gypsum. The main change is related to what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhat is the most correct reason for keeping plaster of Paris away from moisture?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhite anhydrous copper sulphate turns blue in the presence of water. In which test is this useful?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhen blue copper sulphate is heated, a white solid is formed. This change occurs due to the loss of what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy is zinc oxide called amphoteric?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhich oxide can react with both acids and bases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceNon-metal oxides can form acidic solutions in water. Which of the following is an example?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA metal oxide reacts with an acid to form salt and water. Which nature does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy is sodium chloride solution generally considered neutral?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA sodium carbonate solution can turn red litmus blue. What type of salt is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium

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