(1) Decide which of the following are equal sets and which are not ? Justify your
A-131-12)
B-xx is a natural mamber but r is neither prime nor composite
( EXe X, Y 2
(2) Decide whether set A and B are equal sets Give reason for your answer.
A - Even prime numbers
B - x 7x-1-13)
(3) Which of the following are empty sets? why?
(i) A-la a is a natural number smaller than zero.
(ii) B 0) (iii) Cx5x-2-0. EN
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Aim:To show electrolysis of water
Materials Required:A Beaker,an anode and a cathode,Water and a battery and switch
Connect the anode to the positive terminal of the battery and the cathode to the negative terminal.Dip the electrodes inside the water. Switch on the switch.
Observation:Hydrogen gets deposited in the cathode and oxygen gets deposited at the anode
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