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In the sun, helium is produced from hydrogen by:
a) Radioactive decay
b) Disintegration
c) Fission
d) Fusion
Ans:
Helium is produced from hydrogen by fusion, in the sun.
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explain productivity in terms of managementproductivity may be defined as the ratio in between output and input output implies the amount produced or
the millikan experiment showed that electric charge wasa negativeb quantizedc positived immeasurableans the millikan experiment showed that electric
when a metal becomes a superconductor there is a tremendous decrease in itsa total volumeb electrical resistancec lengthd densityanswhile a metal
an x-ray photon collides with a free electron and the photon is scattered during this collision there is conservation of a momentum but not energyb
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the half-life of an isotope of an element is 5 days the mass of a 10 gram sample of this isotope remaining after 20 days isa 0312 gramsb 0625 gramsc
among the bonds formed by a chlorine atom with atoms of hydrogen chlorine sodium and carbon the strongest bond is formed between 1 h- cl
which of the following is least soluble1 bef2
the idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated bya thompsonb
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