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प्रश्न
Give reason: A frying pan is made up of steel but its handle is made up of wood.
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उत्तर
Steel is a good conductor of heat to cook food, the pan is made of steel whereas wood is an insulator of heat, and to hold, handle is made up of wood.
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संबंधित प्रश्न
Match the columns.
| column A | column B |
|
1. to separate grain from chaff |
a. filtration |
| 2. to saparate sawdust from water | b. sedimentation and deeantation |
| 3. to separate iodine from sodium chloride | c. winnowing |
| 4. to separate iron fillings from sand | d.sublimation |
|
5. it is used to separate sand and water |
e maganetic separation |
|
|
f .handpicking |
Name: a Liquid Metal
Give two examples of the following.
Inert gases
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
Complete the statement – an element is a pure substance made up of ____________ atoms.
Give the name of the radical - OH
Write the names of elements from the following symbol:
Cu
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
Name the element which is used for making computer chips.
