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प्रश्न
Name a metal used as a thermometric liquid
उत्तर
Mercury
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संबंधित प्रश्न
Which of the following statements is correct?
Match the substances given in Column A with their uses given in Column B.
| A | B | ||
| 1 | Gold | a | Thermometers |
| 2 | Iron | b | Electric wire |
| 3 | Aluminium | c | Wrapping food |
| 4 | Carbon | d | Jewellery |
| 5 | Copper | e | Machinery |
| 6 | Mercury | f | Fuel |
Name a non-metal that is lustrous
Name a non-metal that is used for filling into electric bulbs
Fill in the blank
Tungsten metal is a poor conductor of _______
Name:
a metal with low melting and boiling points
Name two metals which react with cold water.
Explain how the activity series accounts for each of the following:
reaction with water
Give the effect of heat on metal oxides based on the activity series ?
Which metals do not corrode easily?
Three experiments to study the process of rusting are given below. Observe the three test tubes and answer the following questions.
- Why the nail in the test tube 2 is not rusted?
- Why is the nail in the test tube 1 is rusted highly?
- Would the nail in the test tube 3 get rusted?
Which metal occurs as a sulphide also gives the name of their respective ore.
Which metal occurs as a halide also gives the name of their respective ore.
A metallic oxide which cannot be reduced by normal reducing agents:
How are metals like sodium, potassium, and calcium obtained? Give equations.
Select the appropriate option for the following statement:
The element from the halogen family which is most abundant
_______ is good conductor of heat but bad conductor of electricity.
Identify who I am!
Amphoteric oxide forming metal- _______
Pencil lead contains
Non-metals form covalent chlorides because ____________.
