Which one of the following statements about ozone and ozone layer is true?
Presence of which of the following fuel gas in the exhaust fumes shows incomplete combustion of fuel?
Which of the following metals constitutes the alloy magnalium–
Magnalium is a mixture of 90% Al and 10% Mg.
Graphite is a/an –
German silver is a mixture of –
German silver is a mixture of Cu(60%), Zn(20%) and Ni(20%).
The best mealleable metal is –
What is anode mud –
Pure gold is –
Which of the following is not a atomic characteristics of metal –
All are characteristics of metal.