CHEMICAL EFFECTS OF ELECTRIC CURRENT test paper
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October 07, 2015 |
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CHEMICAL EFFECTS OF ELECTRIC CURRENT
I. Write answer for the following as directly :
1. What is LED ?
2. Name a gas which burns with a pop sound.
3. Which electrode is connected to the negative terminal of a cell ?
4. Name the ions which are positively charged.
5. Name a device which is used for the electrolysis of water ?
6. Write a chemical equation for the electrolysis of water.
II Answer the following in 2 or 3 lines :
1. Define the following :
a) Electrolyte b) Cathode c) Anode d) Jons e) Voltameter
2. What is electroplating ?
3. Draw a neat diagram of voltameter and label it
4. Identify the following as electrolytes and non electrolytes :
a) dil HNO3 b) Benzene c) Petrol d) Zinc Chloride solution e) a solution of Naoh g) Ether h) Alcohol i) Common salt solution
5. State three uses of electrolysis.
III Define the following in detail :
1. Describe an experiment to show chemical effect of electric current.
2. Describe an experiment for the electroplating of an iron object with copper.
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I. Write answer for the following as directly :
1. What is LED ?
2. Name a gas which burns with a pop sound.
3. Which electrode is connected to the negative terminal of a cell ?
4. Name the ions which are positively charged.
5. Name a device which is used for the electrolysis of water ?
6. Write a chemical equation for the electrolysis of water.
II Answer the following in 2 or 3 lines :
1. Define the following :
a) Electrolyte b) Cathode c) Anode d) Jons e) Voltameter
2. What is electroplating ?
3. Draw a neat diagram of voltameter and label it
4. Identify the following as electrolytes and non electrolytes :
a) dil HNO3 b) Benzene c) Petrol d) Zinc Chloride solution e) a solution of Naoh g) Ether h) Alcohol i) Common salt solution
5. State three uses of electrolysis.
III Define the following in detail :
1. Describe an experiment to show chemical effect of electric current.
2. Describe an experiment for the electroplating of an iron object with copper.
Read more topics .....
light-question-answer
electricity-questions
stars-and-solar-system
chemical-effects-of-electric-current
force-and-pressure-objective
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