Advertisements
Advertisements
Question
Write name.
Molecular formula of the common ore of aluminium.
Solution
Bauxite (Al2O3.2H2O) is the common ore of aluminium.
APPEARS IN
RELATED QUESTIONS
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
State five uses of metals
What is an amalgam?
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
Give reasons
Graphite is used in the leads of pencils
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
State two important uses of following metal
Uses of mercury
State the position of the following in the periodic table:
Alkali metals
State the position of the following in the periodic table:
Alkaline earth metals
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
What is it made from? Why?
A pair of tongs.
State why telegraph poles are painted with aluminium paint.
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
The metal which is liquid at room temperature is ______.
The ability of metals to be drawn into thin wire is known as
Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)
Metals are usually solids or gases at room temperature.
Metals are ______ conductors of heat and electricity.
