1) write any two aerial adaptation of bird
2) when aqueous solution of barium chloride and sodium sulphate mixed together
a) name the precipitate which formed
b) write the types of reaction which take place.
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1. birds have light weighted bones with internal spaces filled with air. ... this feature reduces the density of the birds and facilitating and helping them in flight. they have very strong fight muscles attached fromthe body to the wings.
2.
a》 On mixing an aqueous solution of barium chloride with that of copper sulphate, a white precipitate of barium sulphate is formed.
b》 A combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Suchreactions may be represented by equations of the following form: X + Y → XY.
2.
a》 On mixing an aqueous solution of barium chloride with that of copper sulphate, a white precipitate of barium sulphate is formed.
b》 A combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Suchreactions may be represented by equations of the following form: X + Y → XY.
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