Which of the following statements is correct?
Protium i.e., ordinary hydrogen is placed with the second group elements of the periodic table.
Hydrogen, being similar to halogens, is placed in the seventh group of the periodic table.
Hydrogen is placed separately in the periodic table.
Deuterium belongs to the third group of the periodic table.
Which of the following torch is used in welding cracked metals?
Sodium blow torch
Hydrogen blow torch
Atomic hydrogen torch
Sodium fluescent torch
Which of the following is used in the study of mechanism of various chemical and metabolic reaction of our body?
Tritium
Protium
Deuterium
Fullerence
Heavy water is
T2O
D2O
FeO
CuO
Which of the following compounds does not contribute to permanent hardness of water?
NaCl
MgCl2
CaSO4
MgSO4
Which of the following statements regarding ‘Hydrogen Economy’ is incorrect?
Dihydrogen is preferred over other fuels.
It is highly effective because of the absence of any limitations.
A pilot project using dihydrogen as a fuel is launched in India.
It refers to the transportation of energy in the form of dihydrogen.
The hydrogen peroxide reduces the silver oxide to metallic silver in
Basic medium
Acidic medium
Neutral medium
Alkaline medium
The pollutant released on using dihydrogen as a fuel is
CO2
CO
NOx
SOx
