Advertisements
Advertisements
Question
Name an alloy of lead and tin.
Solution
Solder
Explanation:
Solder is an alloy of lead and tin. It contains 50 percent lead and 50 percent tin.
RELATED QUESTIONS
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
State one use of Aluminium.
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 magnesium
State the position of the following in the periodic table:
Alkali metals
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write scientific reason.
Sodium is always kept in kerosene.
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.
State why telegraph poles are painted with aluminium paint.
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
Name the following:
A halogen which is a solid at room temperature.
The minerals from which the metal can be separated economically are called _______.
Which of the following is not a metal?
Name two soft metals which can be cut with a knife.
Why are bells made of metals?
Match the following
i. | Softest metal | a. | Copper |
ii. | Hardest metal | b. | Sodium |
iii. | Hardest non–metal | c. | Osmium |
iv. | Ductility | d. | Diamond |
Why are metalloids called semimetals?
The metals which are found in both free state as well as combined state are ______.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.