Question

war vs the baking soda Parives its chemical formula
Define activity series of metals. How copper react with oxygen?
OR
What do you mean by the term, brittle, lustrous, ductility.malleability
plain why?
-- All the elements of a group have same similar chemical property
-All the elements of a period have different chemical properties.
Section B (PHYSICS)
short type question
(2*5-5)
Draw a magnetic field lines around a bar magnetic.
Why do not two magnetic field lines of force intersect each other?
Draw a schematic diagram of a circuit consisting of a battery of tree cells of 2v
each , a 5 Oresister, and 8 o resister and 12 o resister a plug key , all
connected in series.
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Answer 1

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Answer 2

Answer:

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