Advertisements
Advertisements
प्रश्न
Name the following:
A metal used in packaging.
Advertisements
उत्तर
Aluminium
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
Give a reason for Alkali metals are good reducing agents.
State one use of Iron.
State one use of Gold.
Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
State two important uses of following metal
Uses of lead
State the position of the following in the periodic table:
Aluminium
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The device used for grinding an ore.
Write name.
The nonmetal having electrical conductivity.
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 the position of the following in the periodic table:
Halogens
With reference to the following metals state their use in daily life metal:
Lead
Halogen reacts with acid.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
