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प्रश्न
Name an alloy of lead and tin.
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उत्तर
Solder
Explanation:
Solder is an alloy of lead and tin. It contains 50 percent lead and 50 percent tin.
संबंधित प्रश्न
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
How are the properties of an alloy different from those of the constitutent elements?
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.
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
Write scientific reason.
Pine oil is used in froth flotation.
Match the alloys given in column I to the uses given in column II :
| 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 |
With reference to the following metals state their use in daily life metal:
copper
The minerals from which the metal can be separated economically are called _______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
