SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In order to survive, the flower sitting on the restaurant table needs water, carbon dioxide, andoxygen. What element do all three ofthese have in common?
A
They are all different elements
B
Oxygen
C
Hydrogen
D
Carbon
Explanation: 

Detailed explanation-1: -Oxygen contains only one type of constituent particle i.e.; Oxygen molecules, therefore it is a pure substance.

Detailed explanation-2: -Group 6A (or VIA) of the periodic table are the chalcogens: the nonmetals oxygen (O), sulfur (S), and selenium (Se), the metalloid tellurium (Te), and the metal polonium (Po).

There is 1 question to complete.