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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 simple meaning of reproductive health?Class 10World of LivingReproductionLevel 27EasyScienceWhat is the main function of the vas deferens?Class 10World of LivingReproductionLevel 27EasyScienceHow many parents usually take part in asexual reproduction?Class 10World of LivingReproductionLevel 27EasyScienceWhy is plaster of Paris kept away from moisture?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhat 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 11MediumScienceIf two acidic solutions have pH values 2 and 4 respectively, which one has a higher concentration of hydrogen ions?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceIn which pair is the first substance acidic and the second substance basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceIf the pH value increases from 7 to 11, what will be the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceIf the pH value decreases from 7 to 3, what change occurs in the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich statement shows that heat can be released in a neutralisation reaction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy can adding water directly to concentrated acid cause an accident?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy should acid be added slowly to water while mixing acid with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium