Elements and Substances

Elements and Substances
Property of objects in which you cannot see through object is known as
dull
mirror
opaque
none of them
Author: rikazzz Comment
Elements and Substances
Which one of the following is a good conductor of electricity?
Iron
Glass
Wood
Plastic
Author: rikazzz Comment
Elements and Substances
Symbol of iron is
I
Ne
Fe
Sn
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Elements and Substances
Which of the following can be beaten in to thin sheets?
Zinc
Oxygen
Sulphur
Phosphorus
Author: rikazzz Comment
Elements and Substances
Elements that are brittle and cannot be rolled into wires are known as
metal
liquid
non-metal
non-elastic
Author: rikazzz Comment
Elements and Substances
Which one of the following is the good conducter of electricity?
Iron rod
Wood
Coal piece
Sulphur
Author: rikazzz Comment
Elements and Substances
Which one of the following can’t be drawn into wires?
Al
Cu
Fe
Coal
Author: rikazzz Comment
Elements and Substances
Non-metals are dull in appearance, this is why they do not reflect
rays
heat
light
electricity
Author: rikazzz Comment
Elements and Substances
Iron, cobalt and nickel are metals which are
insulator
magnetic
non-magnetic
none of these
Author: rikazzz Comment
Elements and Substances
Which metal is found in plants?
Cr
Fe
CO
Mg
Author: rikazzz Comment

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