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Class 10 · Science
→Why should curd or pickle not be stored in copper vessels?
Class 10 · Science
→Which substance can be useful to reduce irritation caused by an ant sting?
Class 10 · Science
→Why does food rise when baking soda reacts with an acid?
Class 10 · Science
→How does washing soda help soften hard water?
Class 10 · Science
→Why does plaster of Paris harden when water is added?
Class 10 · Science
→What is formed when gypsum is heated?
Class 10 · Science
→Why does copper sulphate become white on heating?
Class 10 · Science
→What causes the blue colour of copper sulphate crystals?
Class 10 · Science
→All alkalis are bases but all bases are not alkalis. What is the reason?
Class 10 · Science
→What is a water-soluble base called?
Class 10 · Science
→Which gas is formed at the cathode in the chlor-alkali process?
Class 10 · Science
→Which gas is formed at the anode in the chlor-alkali process?
Class 10 · Science
→What main products are obtained by electrolysis of brine in the chlor-alkali process?
Class 10 · Science
→What is the chemical name of common salt?
Class 10 · Science
→Why is bleaching powder used to disinfect water?
Class 10 · Science
→Which gas is used to prepare bleaching powder?
Class 10 · Science
→What is the chemical name of plaster of Paris?
Class 10 · Science
→What is the chemical name of washing soda?
Class 10 · Science
→What is the chemical name of baking soda?
Class 10 · Science
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