Advertisements
Advertisements
Question
Correct the following statement:
CO and Co both represents cobalt.
Advertisements
Solution
CO is a Carbon monoxide and Co is an element named Cobalt.
APPEARS IN
RELATED QUESTIONS
Name a soft metal.
Define mixture.
Fill in the blank
A pure substance has definite.................. and constant ..............
Is food that we eat a mixture ?
What is the difference between a pure substance and a mixture ?
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Define the term: Element
Find the atomicity of the Following molecule:
Calcium Chloride
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Indicate whether the following statement is true or false:
All elements are artificially prepared
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
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:
Zn
Write the names of elements from the following symbol:
Ir
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Give an example of two liquids which form homogenous.
Elements : Combine to form compounds :: Compounds : ______.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
