Non-metals and their compounds

151.By whom was hydrogen discovered?
 
A. charles
 
B. cavendish
 
C. priestley
 
D. boyle
 
Option”B” is correct
152.Which element is called stray element in chemistry?
 
A. Carbon
 
B. oxygen
 
C. nitrogen
 
D. hydrogen
 
Option”D” is correct
153.Which element is the most abundant in the universe
 
A. nitrogen
 
B. hydrogen
 
C. oxygen
 
D. silicone
 
Option”B” is correct
154.Which of the following is called the ‘fuel of the future’?
 
A. Hydrogen
 
B. methane
 
C. natural gas
 
D. ethanol
 
Option”A” is correct
155.element that is an essential constituent of acids
 
A. nitrogen
 
B. Hydrogen
 
C. oxygen
 
D. helium
 
Option”B” is correct
156.elements having the same atomic number and atomic mass
 
A. Hydrogen
 
B. lithium
 
C. oxygen
 
D. chlorine
 
Option”A” is correct
157.what is the number of isotopes of hydrogen
 
A. two
 
B. three
 
C. four
 
D. Five
 
Option”B” is correct
158.Which of the following is not an isotope of hydrogen
 
A. protium
 
B. deuterium
 
C. tritium
 
D. ozone
 
Option”D” is correct
159.Which of the following is not an isotope of hydrogen
 
A. protium
 
B. deuterium
 
C. tritium
 
D. ytreum
 
Option”D” is correct
160.Tritium is an isotope of
 
A. oxygen
 
B. Hydrogen
 
C. phosphorus
 
D. nitrogen
 
Option”B” is correct