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Class 10 · Science · Medium
→In which reaction can salt, water, and carbon dioxide all be formed?
Class 10 · Science · Medium
→If an acid reacts with both a metal carbonate and a metal hydrogen carbonate, which common product is formed in both cases?
Class 10 · Science · Medium
→Why does acid rain damage marble buildings?
Class 10 · Science · Medium
→How does washing soda help in softening hard water?
Class 10 · Science · Easy
→What is the main difference between baking soda and baking powder?
Class 10 · Science · Easy
→Why does adding baking powder make a cake rise?
Class 10 · Science · Medium
→Which substance is used with acid in a soda-acid fire extinguisher to produce carbon dioxide?
Class 10 · Science · Easy
→A solution turns red litmus blue and feels soapy to touch. Which ions give it basic properties?
Class 10 · Science · Medium
→A solution is a good conductor of electricity and turns blue litmus red. Which ions mainly give acidic properties to this solution?
Class 10 · Science · Medium
→In which case is electrical conductivity most likely to be highest?
Class 10 · Science · Medium
→Why does hydrochloric acid show stronger acidic effect than acetic acid at the same concentration?
Class 10 · Science · Medium
→If the soil of a field becomes too basic, which substance can be useful to add?
Class 10 · Science · Medium
→A farmer's soil is too acidic. What is the most suitable way to improve it for crops?
Class 10 · Science · Medium
→At which electrode is hydrogen produced in the chlor-alkali process?
Class 10 · Science · Medium
→At which electrode is chlorine produced in the chlor-alkali process?
Class 10 · Science · Medium
→Which is the correct set of products formed in the chlor-alkali process?
Class 10 · Science · Hard
→Gypsum forms plaster of Paris when heated at about 373 K. Why may the desired product not be obtained on excessive heating?
Class 10 · Science · Medium
→Why does plaster of Paris become hard when mixed with water?
Class 10 · Science · Easy
→Why is bleaching powder used to disinfect drinking water?
Class 10 · Science · Medium
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