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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. ( )
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
State one use of the following metal:
Silver
Which property of ‘solder’ alloy makes it suitable for welding electrical wires?
What is an alloy?
Give reasons
Aluminium is used in making aircrafts.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metals:
Uses of iron
State two important uses of following metal
Uses of tin
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Write name.
The device used for grinding an ore.
Write name.
The nonmetal having electrical conductivity.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
Soft metal : Na : : hard metal : _______
Which of the following property is generally not shown by metals?
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Why do metals appear shiny?
Which metals are liquid at room temperature?
