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Class 10 · Science · Easy
→Why should acids or bases not be identified by taste in a laboratory?
Class 10 · Science · Easy
→Why is it unsafe to store curd in a copper vessel?
Class 10 · Science · Easy
→Why is slaked lime added to acidic soil?
Class 10 · Science · Easy
→How does basic toothpaste protect teeth?
Class 10 · Science · Easy
→Below which pH does the risk of tooth decay increase?
Class 10 · Science · Easy
→Which gas is formed at the cathode in the chlor-alkali process?
Class 10 · Science · Easy
→Which gas is formed at the anode in the chlor-alkali process?
Class 10 · Science · Easy
→What are the main products obtained in the chlor-alkali process?
Class 10 · Science · Easy
→The chlor-alkali process is done by electrolysis of what?
Class 10 · Science · Easy
→What is the main solid product formed on heating baking soda?
Class 10 · Science · Easy
→How does baking powder help food rise?
Class 10 · Science · Easy
→Which gas does baking soda give on reacting with an acid?
Class 10 · Science · Easy
→Washing soda softens hard water by removing which ions?
Class 10 · Science · Easy
→What is meant by water of crystallisation?
Class 10 · Science · Easy
→Why does the blue colour of copper sulphate disappear on heating?
Class 10 · Science · Easy
→What causes the blue colour of copper sulphate crystals?
Class 10 · Science · Easy
→Why does plaster of Paris become hard when water is added?
Class 10 · Science · Easy
→What substance is formed when gypsum is heated?
Class 10 · Science · Easy
→Why is bleaching powder useful for disinfecting water?
Class 10 · Science · Easy
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