1. Suggest any two remedies to protect and conserve the endangered species of birds animals like maldhok,black rhinos, etc
2. In the molecular formula ofAICI3 what is the valency of aluminium and chlorine
3. The reaction between calcium oxide and water
________ +H2o -________ + energy
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2. The valency of Aluminum in Aluminum Chloride is +3 and the valency of Chlorine in AlCl₃ is -1. Valency is defined for an element.
3. Calcium oxide is also called as lime. The balanced reaction between Calcium oxide and water can be written as -
CaO (s) + H₂O (l) → Ca(OH)₂ (s) + Energy.
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CaO+H2O=CaO(OH)2+ energy