Advertisements
Advertisements
Question
Indicate whether the following statement is true or false:
All elements are artificially prepared
Options
True
False
Solution
False
Correct Statement: All elements are made up of a limited number of basic substances
APPEARS IN
RELATED QUESTIONS
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Define: Molecule
Give one use of the following substance:
Brass
Give reason: Graphite is used to make a lead of the pencils.
Complete the statement – an element is a pure substance made up of ____________ atoms.
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Give an example of two liquids that form heterogeneous – mixtures.
Elements : Combine to form compounds :: Compounds : ______.
Give two example of elements.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
