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
Match the columns.
| column A | column B |
|
1. to separate grain from chaff |
a. filtration |
| 2. to saparate sawdust from water | b. sedimentation and deeantation |
| 3. to separate iodine from sodium chloride | c. winnowing |
| 4. to separate iron fillings from sand | d.sublimation |
|
5. it is used to separate sand and water |
e maganetic separation |
|
|
f .handpicking |
Correct the following statement:
CO and Co both represents cobalt.
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Give the name of the radical - CO3
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Write the names of elements from the following symbol:
Br
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
State five different characteristics of compounds.
What are elements? What are they made of?
Matter is its simplest form is called ______.
