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प्रश्न
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.
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उत्तर
Tap water, hydrochloric acid, sodium hydroxide.
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संबंधित प्रश्न
The process of depositing a layer of any desired metal on another material by means of electricity is called ______.
Electroplating is an example for ______.
An electric current can produce
One of the most common applications of chemical effect of electric current is ______.
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
Observe the following circuits carefully. In which circuit will the bulb glow? Write Yes or No in the blank space provided along each of the circuit given in the figure.
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(a) |
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______ |
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(b) |
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______ |
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(c) |
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______ |
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(d) |
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______ |
You are provided with a magnetic compass, an empty matchbox, a battery of two cells and connecting wires. Using these objects, how will you make a tester for testing an electric circuit? Draw the necessary circuit diagram and explain.
Explain the following:
Short circuit.
The most common industrial application of chemical effects of electric current is ______.
What are anodes and cathodes?
