Question

(1) Blue coloured solution is given in the figure. Which solution is it? What causes the colour
change in this solution. Explain.
green colour solution
Blue colour solution
Radish iron nail
Iron nail
(2) A flag near the check post furls in the direction of sea. Is it midnight or afternoon? Why?
(3) Describe the experiment showing the conduction of heat in solid substance with diagram. ​

Answer 1

Answer:

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