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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
Give reasons for the following.
Sodium and potassium are stored in kerosene.
A metal having low melting point is ______ but a non-metal having very high melting point is ______.
State one use of the following metal:
Mercury
Give the composition of an alloy called solder. State its one property and one use.
Mention two uses of the following metals and non-metals
Aluminium
Name a metal which is best conductor of electricity :
State the position of the following in the periodic table:
Iron and zinc
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
Write name.
Molecular formula of the common ore of aluminium.
Write scientific reason.
Sodium is always kept in kerosene.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
State the position of the following in the periodic table:
Halogens
With reference to the following metals state their use in daily life metal:
Aluminium
Aluminium: _______: gold : : electric insulator
The most abundant metal in the earth’s crust is ____________.
Name two soft metals which can be cut with a knife.
All gases are ______.
Why do metals appear shiny?
