Advertisements
Advertisements
Question
Fill in the blank:
________ and _______ are pure substances.
Advertisements
Solution
Elements and compounds are pure substances.
APPEARS IN
RELATED QUESTIONS
Name the main metal present in the following:
Haemoglobin
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chocolate wrappers
What do you understand by :
Metalloids
Fill in the blank
_______ are made up of same kind of atoms.
Fill in the blank
Use of a __________ to separate the components of a mixture of solids is based on the difference in the size of the components.
Write true or false
All pure substances have characteristic melting and boiling points.
How can you separate iron metal from non-magnetic impurities ?
What is centrifugation ? Also write the principle on which it works.
Write the differences between elements and compounds and give an example for each.
