The molecular structure of a liquid is such that
the molecules have unlimited freedom of movement
molecular movement is restricted to vibration only
intermolecular collisions take place
all molecules moves move with the same speed
Correct answer is C
No explanation has been provided for this answer.
P is negatively charged while S is positively charged
P is positively charged while S is negatively charged
both P and S are positively charge
both P and Q are negatively charged
Correct answer is D
No explanation has been provided for this answer.
Which of the following reactions represents nuclear fusion?
\(^2_1H + ^2_1H \to ^3_2He + ^1_0n\)
\(^235_92U + ^1_0n \to ^145_56Ba + ^90_36Kr \)
\(^234_90TH \to ^0_-1n + ^3_2He + ^1_0Pa\)
\(^238_92U \to ^4_2H \to ^3_2He + ^234_90Th\)
Correct answer is A
No explanation has been provided for this answer.
Nuclear fission is preferred to nuclear fusion in the generation of energy because?
very high temperature are required for fusion
the raw material of fusion are not easily obtained
energy obtained from fusion is relatively smaller
the by product of fusion are very dangerous
Correct answer is C
Nuclear Fusion occurs at very high temperature. I.e Thermonuclear reaction.
The minimum energy required to remove an electron from an atom is known as
excitation energy
ionization energy
binding energy
photon energy
Correct answer is B
No explanation has been provided for this answer.
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