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Class 10 · Science · Medium
→Which gas is formed at the cathode in the chlor-alkali process?
Class 10 · Science · Medium
→Which gas is formed at the anode in the chlor-alkali process?
Class 10 · Science · Medium
→Which base is obtained in the solution during the chlor-alkali process?
Class 10 · Science · Medium
→What is electrolysis of aqueous common salt solution called?
Class 10 · Science · Medium
→Why is bleaching powder used for removing colour?
Class 10 · Science · Medium
→Bleaching powder is prepared by action of chlorine on which substance?
Class 10 · Science · Medium
→What is meant by water of crystallisation?
Class 10 · Science · Medium
→Why does the blue colour of copper sulphate crystals disappear on heating?
Class 10 · Science · Medium
→Why does plaster of Paris harden when water is added?
Class 10 · Science · Medium
→How is plaster of Paris prepared from gypsum?
Class 10 · Science · Easy
→What is the chemical name of baking soda?
Class 10 · Science · Medium
→What is the chemical name of washing soda?
Class 10 · Science · Medium
→Washing soda helps soften hard water by removing which ions?
Class 10 · Science · Medium
→Which solid mainly remains when baking soda is heated?
Class 10 · Science · Medium
→How does baking soda help food rise when it reacts with an acid?
Class 10 · Science · Medium
→What colour does methyl orange give in a basic solution?
Class 10 · Science · Medium
→How does phenolphthalein appear in an acidic solution?
Class 10 · Science · Medium
→What colour does turmeric show when it comes into contact with a basic substance?
Class 10 · Science · Medium
→Why is carbon dioxide considered an acidic oxide?
Class 10 · Science · Medium
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