Advertisements
Advertisements
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 ________
Advertisements
उत्तर
A solution of a metal in mercury is called amalgam.
APPEARS IN
संबंधित प्रश्न
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
What happens when Iron nails are placed in copper sulphate solution?
Write word equations of the reactions involved.
Name an alloy of lead and tin.
State the position of the following in the periodic table:
Alkali metals
State the position of the following in the periodic table:
Aluminium
Give the general characteristics of:
Alkaline earth metals with reference to
(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:
Hydrochloric acid,
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
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.
The oxide that forms salt and water by reacting with both acid and base.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
What is it made from? Why?
A pair of tongs.
Write the name.
Two highly reactive metals-
Compare the properties of metals and nonmetals. Give three examples for each.
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
______ is the first scientist who used the term element.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
The metal can be cut with a knife ______.
Silver and copper are very good conductors of electricity.
Which metals are not solid at room temperature?
