Home > General Knowledge> Elements, compounds, substances, Metals and Non-Metals

1 . Iron, cobalt and nickel are metals which are
A. insulator
B. magnetic
C. non-magnetic D. none of these

2 . Elements that are brittle and cannot be rolled into wires are known as
A. metal B. liquid
C. non-metal D. non-elastic

3 . Non-metals are dull in appearance, this is why they do not reflect
A. rays B. heat
C. light D. electricity

4 . Most common classifications of elements in periodic table are, metal and
A. solid B. liquid
C. non-metal D. non-elastic

5 . Property of objects in which you sight cannot see through object is known as
A. dull B. mirror
C. opaque D. none of them