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15)a) shyam shows his concern towards the village people,also shows scientific knowledge
b)the village is free from polluted ground and have pollution free more fertile soil for agriculture
16)ionic compounds are those in which a particular substance consists of a anion and cation ..the properties are :Physical nature(they are generally solid and are somewat hard bcz of strong electrostatic force .they are brittle and can be broken into pieces when pressure is applied)
melting and boiling point (high:large energy is needed to break)
solubility (soluble in water but insoluble in kerosene,petrol etc..)
conductivity (conducts electricity in molten state)
b)the village is free from polluted ground and have pollution free more fertile soil for agriculture
16)ionic compounds are those in which a particular substance consists of a anion and cation ..the properties are :Physical nature(they are generally solid and are somewat hard bcz of strong electrostatic force .they are brittle and can be broken into pieces when pressure is applied)
melting and boiling point (high:large energy is needed to break)
solubility (soluble in water but insoluble in kerosene,petrol etc..)
conductivity (conducts electricity in molten state)
sumaloka:
plz make it as brainliest if u find it useful
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