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class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As

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Page 1: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 2: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 3: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 4: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 5: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 6: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 7: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As
Page 8: class7 geography ch3 · 2020-04-29 · Activity Take a small coloured paper pellet and put it in a beaker half filled with water. Place the beaker on a tripod stand and heat it. As