Which of the following is/are non-metals?
a) carbon and sulphur
b) hydrogen and oxygen
c) nitrogen and neon
d) all of these
Which of the following is/are metalloid/s?
a) boron
b) germanium
c) silicon
d) all of these
Most of the non-metals are found in which of the following state?
a) solid
b) liquid
c) gaseous
Which of the following is/are the characteristic/s of metals?
a) shiny appearance
b) high density
c) malleability
d) all of these
Which of the following is/are the characteristic/s of metals?
a) ductile
b) high melting and boiling point
c) conductor
d) all of these
Which of the following is/are the characteristic/s of non-metals?
a) dull appearance
b) low density
c) non-malleable
d) all of these
