13.
The nucleus of a hydrogen atom consists of
A. 1 proton only
B. 1 proton + 2 neutron
C. 1 neutron only
D. 1 electron only
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
14.
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
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
15.
The nuclear particles which are assumed to hold the nucleons together are
A. electrons B. positrons
C. neutrons D. mesons
Answer & Explanation
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
16.
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
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
17.
The octane number of zero is assigned to
A. 2-methyl octane
B. n-heptane
C. iso-octane
D. 3-methyl octane
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
18.
The metal that is used as a catalyst in the hydrogenation of oils is
A. Ni B. Pb
C. Cu D. Pt
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question.