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प्रश्न
State two important uses of following metal
Uses of mercury
उत्तर
Uses of mercury :
- It is used as a thermometric liquid in laboratory as well as clinical thermometers.
- Gold amalgam and silver amalgam are used in dentistry for filling tooth cavities.
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संबंधित प्रश्न
Write the name and formulae of a metal hydride.
State one use of Silver.
Give reasons
Aluminium is used in making aircrafts.
Aluminium is not used to make :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
State two important uses of following metal:
Uses of gold
State two important uses of following metal:
Uses of silver
State the position of the following in the periodic table:
Aluminium
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
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| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
State the position of the following in the periodic table:
Halogens
What is it made from? Why?
Pots and pans
Name the following:
A halogen which is a solid at room temperature.
Halogen reacts with acid.
Higher Order Thinking Skills.
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The most abundant element in the universe is ____________.
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X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
