Advertisements
Advertisements
Question
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Options
the same physical state
the same colour
the same composition
a definite set of properties
Advertisements
Solution
a definite set of properties
APPEARS IN
RELATED QUESTIONS
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
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Name: an Inert Gas
Give one use of the following substance:
Iron
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Write the names of elements from the following symbol:
Cu
State four differences between – elements, compounds and mixtures with suitable examples.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Differentiate between elements and compounds.
