The heat energy produced when the human body metabolises 1 gram of fat is__________?
A. 30 KJ
B. 1 KJ
C. 39 KJ
D. 29 KJ
Chemistry Mcqs
Which of the following phenomenon is considered responsible for Global Warming?
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?
A. p-electrons in Ne(Z = 10)
B. s-electrons in Mg(Z = 12)
C. d-electrons in Fe(Z = 26)
D. p-electrons in CI(Z = 17)
The metallurgical process in which a metal is obtained in a fused state is called__________?
The metallurgical process in which a metal is obtained in a fused state is called__________?
A. smelting
B. roasting
C. calcinations
D. froth floatation
The molecules of which gas have highest speed?
The molecules of which gas have highest speed?
A. H2 at -73oC
B. CH4 at 300 K
C. N2 at 1,027oC
D. O2 at 0oC
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?
A. Dalton’s law
B. Gay Lussac’s law
C. Henry’s law
D. Raoult’s law
Which of the following orbitals has maximum penetration effect?
Which of the following orbitals has maximum penetration effect?
A. S
B. P
C. d
D. f
Which of the following is most soluble on water?
Which of the following is most soluble on water?
A. BaSO4
B. SrSO4
C. CaSO4
D. MgSO4
The common oxidation state of lanthanides is_________?
The common oxidation state of lanthanides is_________?
A. +3
B. +2
C. +1
D. +4
Which one of the following is a bridge element?
Which one of the following is a bridge element?
A. Be
B. Cl
C. K
D. P