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
The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?
(A) this acid, in ancient times, was used to eliminate ant-hills
(B) this corrosive acid is secreted by ants to drive away their enemies
(C) this acid was first obtained by the distillation of ants
(D) ants are attracted by the odour of this acid
The octane number of zero is assigned to____________?
(A) 2-methyl octane
(B) n-heptane
(C) iso-octane
(D) 3-methyl octane
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
(A) 2.05 gram
(B) 3.05 gram
(C) 4.05 gram
(D) 5.05 gram
The heat required to raise the temperature of body by 1 K is called___________?
(A) specific heat
(B) thermal capacity
(C) water equivalent
(D) None of the above
The most commonly used bleaching agent is_________?
(A) alcohol
(B) carbon dioxide
(C) chlorine
(D) sodium chlorine