In an experiment to verity ohm's law,
the current through a resistor and the
Potential diference across it are
measured. From the value given below, plot
a graph of i versus v. show that the
date confirms ohm's law, and find the
resistance of the resistor.
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Which gas is usually liberated when an acid reacts with a metal ? Illustrate
with an example. How will you test for the presence of this gas ?State reason for the following statements:
(i) Tap water conducts electricity whereas distilled water does not.
(ii) Dry hydrogen chloride gas does not turn blue litmus red whereas dilute
hydrochloric acid does.
III. Answer the fallowing questions in 5 to 6 lines 2× 2 ½= 5Name the hormones secreted by thyroid, parathyroid and pancreas.Write the functions of any one part of the hind – brain.Explain how antacid works.Name the part of the brain which controls posture and balance of the body.Mention the names of various phytohormones.Mt Everest D. Royli
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