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प्रश्न
Give reasons for the following.
Immersion rods for heating liquids are made up of metallic substances.
उत्तर
Metals are good conductors of heat and electricity. Therefore, immersion rods for heating liquids are made of metallic substances.
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संबंधित प्रश्न
Why are metals used for making cooking vessels?
Why is ammonia gas not collected over water?
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(a) a metal
(b) a compound
(c) a non-metal
(d) a solution
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State the composition and two uses of given alloy:
Brass
Name:
a metal which is a bad conductor of heat and electricity
Complete the statement given below, by filling in the blank with the correct word:
The ability of a metal to produce a reasonant sound ______.
_______ is good conductor of heat but bad conductor of electricity.
Match the columns.
| Group A | Group B |
| 1. Making sheets of metals | a) Sonority |
| 2. Making metal utensils | b) Malleability |
| 3. Making Copper wires | c) Good conductor of heat |
| 4. Making bells from metal | d) Ductility |
Which non-metal is essential for our life and all living beings?
