Advertisements
Advertisements
Question
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
Options
True
False
Advertisements
Solution
True.
APPEARS IN
RELATED QUESTIONS
Fill in the blanks:
Metals react with acids to produce _________ gas.
State one use of the following metal:
Copper
The atomic number of an element X is 12.
- What must an atom of X do to attain the nearest inert gas electron configuration?
- Which inert gas is nearest to X?
What is an amalgam?
Which property of ‘solder’ alloy makes it suitable for welding electrical wires?
What is an alloy?
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
State two important uses of following metal
Uses of mercury
State the position of the following in the periodic table:
Alkali metals
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
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
Give reasons for the following:
Most metals conduct electricity well.
What is it made from? Why?
Electric cables
Name the following:
A metal used in packaging.
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Metals are usually solids or gases at room temperature.
Which of the following metals can displace the other two metals from their salt solutions?
Why are metalloids called semimetals?
