(2) Observe the following figure carefully and answer the questions given below:
(i) In which test tube do you find that a reaction has taken place?
(ii) How did you recognise that a reaction has taken place ?
(iii) What happened in this reaction ?
(iv) Which reaction has taken place ? Write the name of the reaction.
(v) Write the chemical reaction.
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Answer:
1) first test tube
2) because below the figure another figure is given in which it is written copper coating form on iron nail and we have taken iron nail in first test tube
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Explanation:
Vaccination generally can be said as a anitode
which produces antibiotics or antibodies in
order to fight with the diseases which can
can be cured using a normal medecine
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