Prepare a list of conductors and insulators from the following :Rubber, Copper, Aluminium, Tap Water, Plastic, Ebonite
Conductors- Copper, Aluminium, Tap Water
Insulators- Rubber, Plastic, Ebonite
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- Which of the following are conductors and which are insulators? Sulphur, Silver, Copper, Cotton, Aluminium, Air, Nichrome, Graphite, Paper, Porcelain, Mercury, Mica, Bakelite, Polythene, Manganin.
- Conductors Insulators
- What is meant by conductors and insulators? Give two examples of conductors and two of insulators.
- Difference between Conductors and Insulators
- Distinguish between good conductors, resistors and insulators. Name two good conductors, two resistors and two insulators.
- Create a table of conductors of electricity and insulators of electricity.
- Give two examples each of conductors and insulators of heat.
- Write the balanced chemical equations for the following reactions:(a) Calcium hydroxide + Carbon dioxide ------> Calcium carbonate + Water(b) Aluminium + Copper chloride ------> Aluminium chloride + Copper
- Select a lustrous material out of the following substances.Wood, Aluminium, Plastic Cotton
- What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
- Explain why, water comes out more slowly from an upstairs tap than from a similar tap downstairs.
- Define valency and give the valency for the following elements:Magnesium, Aluminium, Chlorine, and Copper.
- The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?
- Select the articles from the following list which are biodegradable.(a) Paper(b) Woollen clothes(c) Wood(d) Aluminium can(e) Plastic bag(f) Peels of vegetables
- Which of the following is wastewater?(a) Water trickling from a damaged tap.(b) Water coming out of a shower.(c) Water flowing in a river.(d) Water coming out of a laundry.
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