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प्रश्न
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
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उत्तर
A solution of a metal in mercury is called amalgam.
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संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam
Mention two uses of the following metals and non-metals
Gold
Mention two uses of the following metals and non-metals
Iodine
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
Name a metal which is not malleable :
State two important uses of following metal
Uses of lead
Write name.
The device used for grinding an ore.
Write scientific reason.
Pine oil is used in froth flotation.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
What is it made from? Why?
Electric cables
With reference to the following metals state their use in daily life metal:
copper
Name the following:
A metal used in flexible pipes.
Complete the following flowchart.
The metal which is liquid at room temperature is ______.
Compare the properties of metals and nonmetals. Give three examples for each.
Can you store pickle in an aluminium utensil? Give reason.
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
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.
