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Class 10 · Science · Medium
→Why does aqueous sodium chloride conduct electricity even though it is neutral?
Class 10 · Science · Medium
→If a solution conducts electricity, what may be present in it?
Class 10 · Science · Medium
→In which direction does pH move when water is added to a basic solution?
Class 10 · Science · Medium
→In which direction does pH move when water is added to an acidic solution?
Class 10 · Science · Medium
→Why can acid rain be harmful to aquatic organisms?
Class 10 · Science · Medium
→Why can acid rain damage marble buildings?
Class 10 · Science · Medium
→Why should curd or pickle not be stored in copper vessels?
Class 10 · Science · Easy
→Which substance can be useful to reduce irritation caused by an ant sting?
Class 10 · Science · Medium
→Why does food rise when baking soda reacts with an acid?
Class 10 · Science · Medium
→How does washing soda help soften hard water?
Class 10 · Science · Medium
→Why does plaster of Paris harden when water is added?
Class 10 · Science · Medium
→What is formed when gypsum is heated?
Class 10 · Science · Medium
→Why does copper sulphate become white on heating?
Class 10 · Science · Medium
→What causes the blue colour of copper sulphate crystals?
Class 10 · Science · Easy
→All alkalis are bases but all bases are not alkalis. What is the reason?
Class 10 · Science · Easy
→What is a water-soluble base called?
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
→What main products are obtained by electrolysis of brine in the chlor-alkali process?
Class 10 · Science · Easy
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