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Lab Safety

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

ScienceWhy is it dangerous to touch sodium hydroxide with bare hands?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceWhy is it wrong to identify an acid or base by taste in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhy should an unknown colourless solution not be identified only by looking at it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhy should acids or bases not be identified by taste in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceWhy should acids and bases not be identified by taste in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceWhy should acids or bases not be identified by taste in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhich precaution is most suitable while handling a solution of pH 13?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceWhy is identifying an acid by taste unacceptable in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceIf a solution shows pH 13, what precaution is correct while handling it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhy is it wrong to identify an acid by taste in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceA 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 13Easy ScienceIf an aqueous solution has pH close to 14, what careful conclusion should be taken while handling it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceA student says identifying acids by taste is the simplest method. Why is this idea wrong in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceA 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 ScienceAn aqueous solution of a substance shows pH 13. Why is it unsafe to touch it directly?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceIf a few drops of acid fall on the skin, what should be done first?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy ScienceIf a student says acids should be identified only by taste, why is this method wrong?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceIf a small amount of acid falls on the skin, what should be the first safe step in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhy is care needed while mixing a strong base with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIf a substance solution feels soapy and turns red litmus blue, what type is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy