The first definition of an element was made by
...The first definition of an element was made by
J. Dalton.
A. Lavoisier.
R. Boyle.
J. J. Thompson.
Correct answer is C
The word element was first given by Rebert Boyle. It is defined as the simplest chemical substance that cannot be broken down during a chemical reaction
An effect of thermal pollution on water bodies is that the ...
At 25o and zymase as catalyst, C6H126 → 2C2H5OH + 2CO2 + energy The reaction above represented ...
Which of the following methods can be used to seperate blood cells from plasma? ...
The combustion of ethene, C 2H 4, is given by the equation C 2H 4 + 30 2 → 2CO2 + 2H2 O; ∆H = - ...
It can be deduced that the rate of the reaction? ...