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प्रश्न
Fill in the blank
A metal which is a poor conductor of electricity is _______.
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उत्तर
A metal which is a poor conductor of electricity is tungsten.
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संबंधित प्रश्न
Define mixture.
Give two examples of the following.
Inert gases
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Find the atomicity of the Following molecule:
Carbon Monoxide
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
